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NULL Value in Oracle Database | Oracle Tutorials for Beginners
 
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NULL Value in Oracle Database | Oracle Tutorials for Beginners NULL Value in Oracle Database NULL Value in Oracle SQL NULL Value in SQL NULL Value in Oracle Database Oracle Tutorials for Beginners Oracle Tutorials for Beginners Oracle PL/SQL Tutorials for Beginners Oracle PL/SQL Tutorials for Beginners Oracle PL/SQL Tutorials for Beginners how to select null values in oracle oracle compare null values in where clause null=null in oracle how to handle null in case statement in oracle how to check null value in oracle stored procedure oracle nvl null value in oracle query how to check empty column value in oracle how to select null values in oracle oracle is null vs = null oracle nvl oracle is not null oracle decode oracle isnull oracle case when null select null from table in oracle oracle compare null values in where clause oracle select null how to check empty column value in oracle oracle sql not null or empty oracle is not null how to handle null in case statement in oracle oracle isnull oracle nvl
Views: 777 Oracle PL/SQL World
SQL Null or Empty   How to Check for Null or Empty Column in SQL Server   SQL Training Online
 
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http://www.sqltrainingonline.com SQL Null or Empty - How to Check for Null or Empty Column in SQL Server - SQL Training Online You can download the sample table script at http://www.sqltrainingonline.com/how-to-filter-for-sql-null-or-empty-string/. In this video, I show you how to filter for a SQL null or empty string. It can be difficult to filter a null because you can't simply compare with an equal sign. You have to use a special IS NULL clause to make the filter work. I also show you how to combine both the SQL Null and Empty String together in a special trick with the isnull SQL Server function. I use SQL Server 2012 to demonstrate the technique. Let me know what you think by commenting or sharing on twitter, facebook, google+, etc. If you enjoy the video, please give it a like, comment, or subscribe to my channel. You can visit me at any of the following: SQL Training Online: http://www.sqltrainingonline.com Twitter: http://www.twitter.com/sql_by_joey Google+: https://plus.google.com/#100925239624117719658/posts LinkedIn: http://www.linkedin.com/in/joeyblue Facebook: http://www.facebook.com/sqltrainingonline
Views: 19165 Joey Blue
Java 8||Predicate Example to Remove null Values and empty String from the given List || by Durga
 
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Oracle Java Certification: Shortest Way To Crack OCA 1Z0-808 Just @ Rs 640/- -------------------------------------------------------------------------------------------------------- 1. For Java SE 8 Programmer I Exam 2. Topic wise Tests and Grand Tests 3. 280 Realistic Questions With Clear Explanation 4. Study Material (408 Pages) 5. Question Bank (107 Pages) 6. Videos (63 Sessions) Use the below links to access Durga Sir Videos and Downloadable Materials and Topic wise Tests and Grand Tests with Life-Time Access. 1. Oracle Java Certification: Shortest Way To Crack OCA 1Z0-808 Link: https://goo.gl/vcMKjz 2. Java 8 New Features In Simple Way Link: https://goo.gl/F2NfZi 3. Java 9 New Features In Simple Way: JShell, JPMS and More Link: https://goo.gl/s9PP1p 4. Complete JDBC Programming Part-1 Link: https://goo.gl/uT9sav 5. Complete JDBC Programming Part-2 Link: https://goo.gl/VmhM7t
part14 sql model empty string
 
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empty string, model clause, dimension by, measures, data warehousing, oracle 10g
SQL Server 30 - How to INSERT Data
 
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Now that we have our tables created, we need to learn how to actually put data into our tables. That is where the INSERT command comes in. The basic syntax looks like: INSERT INTO TableName VALUES(data…); Data is where we put a value for each column. Strings are single quoted, numbers are left blank with no quotes. Just like when we create tables we try to create the parent tables first, we do the same with inserting data. We always want to insert the parent rows first. So let's add a species to our table. As a reminder, this is what our CREATE TABLE looks like: CREATE TABLE Species( ID INT PRIMARY KEY IDENTITY, Species VARCHAR(50) NOT NULL UNIQUE, FriendlyName VARCHAR(50) NOT NULL ); Now to insert data: INSERT INTO Species VALUES('Pentalagus P. furnessi', 'Bunny'); Now you can see that there may a violation of everything being atomic because we are actually storing the genus and species of this animal in one column. But…YOLO. Now we can view this data by finding the table in the object explorer, right clicking, and selecting Edit Top 200 Rows. Notice that the IDENTITY column is automatically filled. Now, this is a great time to show you some stuff regarding foreign keys. The first thing I want to show you is how they protect our data integrity. Let's insert some data in the Animals table and try to reference an invalid species. Once again, here is what our table creation looks like: CREATE TABLE Animals( ID INT PRIMARY KEY IDENTITY, Name VARCHAR(50) NOT NULL, Species INT NOT NULL REFERENCES Species(ID), ContactEmail VARCHAR(50) NOT NULL UNIQUE ); INSERT INTO Animals VALUES('Sally', 2, '[email protected]'); SQL Server does not let us insert this data. The second thing I wanted to show you is that the name of the constraint that is in violation is being shown here. That is why naming your constraints can come in handy so when this happens you can find it much easier. Last thing is that if you want to INSERT multiple rows, throw a comma after the VALUES, and put another parenthesis with more data: INSERT INTO Animals VALUES('Sally', 1', '[email protected]'), ('Franklin', 1, '[email protected]') ; Maybe someday we will get around to adding a row to our species table for turtles, but for now we are going to make Franklin a bunny. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 4337 Caleb Curry
What is null? (Java Tutorial)
 
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This Java tutorial for beginners explains the null value, how it works, and how to avoid null pointer exceptions. Aligned to AP Computer Science A.
Views: 2718 Bill Barnum
AskTOM TV - not null... I mean *really* not null
 
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A short video to help you understand the "thought process" behind answering AskTom questions. blog: https://connor-mcdonald.com ========================================­­­­============== Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 770 Connor McDonald
part 13 sql model not null in dim by and measures
 
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sql model clause not null, dimension by, measures, data warehousing, oracle 10g
Null value in oracle
 
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this video describes null concept in oracle. join the group and share your knowledge and ask your doubts. https://www.facebook.com/groups/940425699338535/
Oracle SQL Tutorial 10 - Whitespace, Case Sensitivity, and Comments
 
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SELECT "Hello World" FROM DUAL The first thing you should know about writing queries is that this SQL is not whitespace sensitive. That means we can space this out however we wish. The only requirement is that you do not separate keywords out with spaces. They must be as one entity. Another gotcha is that when you are inside of quotes, whitespace becomes very important. That means if inside of a string you put a character and then 10 spaces, every single one of those spaces is going to part of that string: SELECT "Hello World" FROM DUAL The next thing you should notice is the capitalization. When we type SQL, by convention we capitalize all keywords. I personally really like this because you can easily see the difference between keywords and words that we created or use. But obviously we could capitalize the letters in the quotes. Keep in mind that this is a convention, meaning you do not have to follow this. Oracle is also case insensitive in that SELECT and select both do the same thing. Strings, once again, care about casing. Take this, for example: SELECT 'true' FROM DUALWHERE 'Hello' = 'Hello' And compare the results to this: SELECT 'true' FROM DUALWHERE 'Hello' = 'hello' Only the first one outputs the value true. Once we get into creating database objects such as tables with columns, those are not case sensitive either. That means instead of selecting from DUAL, you can select from DuAl Finally, I shall introduce you to comments. Comments allow you to tell the database engine that you want it to ignore a certain part of your code and not execute it. This is helpful if you want to document your code. It is also useful if you want to have multiple SQL statements open in one tab, but don't want to hover over the one you want to execute. You can comment out the ones you are not using and uncomment them when you are done. Using – will comment out the rest of the line, Using /* */ will comment everything between. This can even be used over multiple lines. But now, let's move onto the important stuff… CREATING TABLES!!!!! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ HELP ME! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 18590 Caleb Curry
Dynamic SQL in Stored Procedure
 
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In this video we will discuss, using dynamic sql in a stored procedure and it's implications from sql injection perspective. We will discuss performance implications of using dynamic sql in a stored procedure in a later video. Text version of the video http://csharp-video-tutorials.blogspot.com/2017/04/dynamic-sql-in-stored-procedure.html Slides http://csharp-video-tutorials.blogspot.com/2017/04/dynamic-sql-in-stored-procedure_11.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All SQL Server Tutorial Videos https://www.youtube.com/playlist?list=PL08903FB7ACA1C2FB All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists Consider the following stored procedure "spSearchEmployees". We implemented this procedure in Part 139 of SQL Server tutorial. This stored procedure does not have any dynamic sql in it. It is all static sql and is immune to sql injection. Create Procedure spSearchEmployees @FirstName nvarchar(100) = NULL, @LastName nvarchar(100) = NULL, @Gender nvarchar(50) = NULL, @Salary int = NULL As Begin Select * from Employees where (FirstName = @FirstName OR @FirstName IS NULL) AND (LastName = @LastName OR @LastName IS NULL) AND (Gender = @Gender OR @Gender IS NULL) AND (Salary = @Salary OR @Salary IS NULL) End Go Whether you are creating your dynamic sql queries in a client application like ASP.NET web application or in a stored procedure, you should never ever concatenate user input values. Instead you should be using parameters. Notice in the following example, we are creating dynamic sql queries by concatenating parameter values, instead of using parameterized queries. This stored procedure is prone to SQL injection. Let's prove this by creating a "Search Page" that calls this procedure. Create Procedure spSearchEmployeesBadDynamicSQL @FirstName nvarchar(100) = NULL, @LastName nvarchar(100) = NULL, @Gender nvarchar(50) = NULL, @Salary int = NULL As Begin Declare @sql nvarchar(max) Set @sql = 'Select * from Employees where 1 = 1' if(@FirstName is not null) Set @sql = @sql + ' and FirstName=''' + @FirstName + '''' if(@LastName is not null) Set @sql = @sql + ' and LastName=''' + @LastName + '''' if(@Gender is not null) Set @sql = @sql + ' and Gender=''' + @Gender + '''' if(@Salary is not null) Set @sql = @sql + ' and Salary=''' + @Salary + '''' Execute sp_executesql @sql End Go Add a Web Page to the project that we have been working with in our previous video. Name it "DynamicSQLInStoredProcedure.aspx". Copy and paste the HTML and code available on my blog at the following link http://csharp-video-tutorials.blogspot.com/2017/04/dynamic-sql-in-stored-procedure.html At this point, run the application and type the following text in the "Firsname" text and click "Search" button. Notice "SalesDB" database is dropped. Our application is prone to SQL injection as we have implemented dynamic sql in our stored procedure by concatenating strings instead of using parameters. ' Drop database SalesDB -- In the following stored procedure we have implemented dynamic sql by using parameters, so this is not prone to sql injecttion. This is an example for good dynamic sql implementation. Create Procedure spSearchEmployeesGoodDynamicSQL @FirstName nvarchar(100) = NULL, @LastName nvarchar(100) = NULL, @Gender nvarchar(50) = NULL, @Salary int = NULL As Begin Declare @sql nvarchar(max) Declare @sqlParams nvarchar(max) Set @sql = 'Select * from Employees where 1 = 1' if(@FirstName is not null) Set @sql = @sql + ' and [email protected]' if(@LastName is not null) Set @sql = @sql + ' and [email protected]' if(@Gender is not null) Set @sql = @sql + ' and [email protected]' if(@Salary is not null) Set @sql = @sql + ' and [email protected]' Execute sp_executesql @sql, N'@FN nvarchar(50), @LN nvarchar(50), @Gen nvarchar(50), @sal int', @[email protected], @[email protected], @[email protected], @[email protected] End Go On the code-behind page, use stored procedure spSearchEmployeesGoodDynamicSQL instead of spSearchEmployeesBadDynamicSQL. We do not have to change any other code. At this point run the application one more time and type the following text in the "Firstname" textbox and click the "Search" button. ' Drop database SalesDB -- Notice "SalesDB" database is not dropped, So in this case our application is not succeptible to SQL injection attack. Summary : Whether you are creating dynamic sql in a client application (like a web application) or in a stored procedure always use parameters instead of concatnating strings. Using parameters to create dynamic sql statements prevents sql injection.
Views: 36491 kudvenkat
SQL - NOT NULL Clause
 
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Professor & Class - This week we learned what a "NOT NULL" clause is and in this video I am explaining what it means and how to properly use it.
Views: 84 Kyle Bowlin
Shell Scripting Tutorial-47: Reading From a File
 
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In this tutorial you'll learn to use the exec command to change the default input stream from the keyboard to a text file. We'll also build a shell script that will display line numbers along with the sentences in a text file on screen.
Views: 80105 The Bad Tutorials
Create new connection with new user in Oracle SQL Developer
 
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This video shows you how to create a new connection using a new user account (other than the system user account) in Oracle SQL Developer, so that you have a clean workspace without all the clutter of system tables. It is NOT a general introduction to using Oracle SQL Developer.
Views: 369737 Chitu Okoli
MySQL vs PostgreSQL - Why you shouldn't use MySQL
 
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A comparison of the error reporting between MySQL, and PostgreSQL. Original video: http://vimeo.com/43536445
Views: 213980 Philip Thrasher
Oracle Database11g tutorials 12 || SQL Concat Function - SQL character manipulation function
 
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Link for SQL concat function: http://www.rebellionrider.com/SQL-concat-function.htm SQL Concat function/SQL concat() function First function of SQL character manipulation function. Two have in depth knowledge of SQL concatenation operator Please watch my video on SQL concatenation Operator http://youtu.be/PYMeFe72Bas Tool used in this tutorial is command prompt. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Link for SQL function introduction Video 10 http://youtu.be/5rx8Q4x4-qI Link SQL concat Article http://www.rebellionrider.com/SQL-concat-function.htm Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com -------------------------------------------------------------------------------------------- SQL Concat () function is a Character manipulation function which is a category of SQL character function. We have already discussed the intro of SQL character function in Video 10. You can find link of this video in description below. Ok let's go ahead. SQL Concat () function concatenates two separate character string into one character string. Let's see the syntax Concat (string_1 , String_2) Note here that SQL Concat function takes only two arguments at a time. This SQL Concat function will return string_1 concatenated with string_2. This also means that it will return a single string which is a combined string of parameter String_1 and String_2. Both the parameters of SQL Concat function String_1 and string_2 can be of any data-type. You can even specify the columns of the table here. SQL Concat function is equivalent to the concatenation operator (||). SQL concatenation operator is represented by double solid vertical bars or we can say double pipe signs. Question: How to concatenate more than two strings as SQL Concat that can have only 2 parameters and what is the difference between SQL Concat Function and SQL concatenation operator? The one answer for the second Question What is the Difference between SQL Concat Function and SQL concatenation operator? Is While SQL Concat function takes only two parameters, The Concat operator can be repeated as often as is necessary. Meaning, by the help of SQL Concat operator you can combine as many strings as you want. And Concatenation operator is also not supported by several databases such as SQL server so this might cause problem. To answer the first question How to concatenate more than two strings as SQL Concat that can have only 2 parameters? We will have to jump over SQL developer. Let's see some examples. Say we want to retrieve the full name of an employee from Employees table. Let's try it using SQL Concat function. SELECT Concat (first_name, last_name) AS "Full Name" FROM employees; Here in this query we use two column names - first_name and last_name as arguments of our Concat function Execute. As you can see here, we get full name of our employee but there is no space in between first name and last name. We will see how to format this string using SQL Concat function in a few seconds But before that, let's see how to do the same task using SQL concatenation operator. SELECT first_name ||last_name AS "Full name" FROM employees; As you can see this query also produces the same result. Now we will see how to format full name of employees First we will do this using SQL concatenation Operator. SELECT first_name||' '||last_name AS "Full name" FROM employees; Now you can see we get space between first name and last name of the employee. Again, let's do it using SQL Concat function. Here we will see the nested function concept where we will be using nested Concat function to achieve this formatted string. SELECT Concat (Concat (first_name, ' '), last_name) FROM employees; Inner Concat function has two parameters. These are our first column name first_name and an empty string which will be a space between first name and second name. This Concat will now return a string which is the first name with space. This returning string will be the first input of our Outer Concat and column last_name will be the second input. All together this will give us the desired output. As you can see this method is complex than the first one where we use SQL concatenation operator.
Views: 80523 Manish Sharma
Java & MySQL - Check if a value already exists
 
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Easy tutorial on how to check if a value already exists in the database.
Views: 29986 Mozoran
Replace Null Value and Coalesce function in SQL Hindi Lesson 33
 
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In this video we will learn how to replace null value using Isnull function, Coalesce function and case statement.
Views: 1190 Vijay Mulsaniya
MySQL Database Tutorial - 30 - NOT NULL & AUTO INCREMENT
 
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Facebook - https://www.facebook.com/TheNewBoston-464114846956315/ GitHub - https://github.com/buckyroberts Google+ - https://plus.google.com/+BuckyRoberts LinkedIn - https://www.linkedin.com/in/buckyroberts reddit - https://www.reddit.com/r/thenewboston/ Support - https://www.patreon.com/thenewboston thenewboston - https://thenewboston.com/ Twitter - https://twitter.com/bucky_roberts
Views: 96088 thenewboston
Validation Rule: Is Not Null
 
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Validation Rule: Is Not Null
Views: 8774 Perins Elearning
Solution to read Netezza Null and Empty string in PowerExchange for Netezza 9.5.1
 
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This video provides you solution to read Netezza Null and Empty string in PowerExchange for Netezza 9.5.1
Views: 1759 Informatica Support
Change "Not Null" to "Null" Across the Database
 
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Nathan Gambill (Microsoft Manager) goes over an SQL Procedure to change "Not Null" to "Null" across a designated database. This helps prevent NULL inserts into NOT NULL column errors.
Views: 477 Agossi SQL
26. IS NULL and IS NOT NULL in SQL (Hindi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 23200 Geeky Shows
select empty row in sql server
 
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How to select empty row in SQL Server
Views: 411 Sourn Sarim
How to Resolve Oracle SQL Parent Key Not Found (ORA-02291)
 
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In this video, we’ll explain what the ORA-02291 “parent key not found” error is, see an example, and look at how to resolve it. This error usually happens when we try to insert data into a table. It looks like this: Error is: ORA-02291: integrity constraint (constraint_name) violated - parent key not found So what does this error mean? It means we’re trying to insert data into a child table, and there is no related record in the parent table. If a foreign key has been set up to enforce this relationship, there needs to be a parent to insert a child that refers to it. Watch the video to see an example of this error as well as how to resolve it. For more information on Oracle SQL, refer to the Database Star website here: https://www.databasestar.com/
Views: 4212 Database Star
KISS series on Analytics: 18 Lag, Lead - Dealing with null
 
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Welcome to the KISS video series. Solving problems that typically required complicated SQL in the past, that can now be easily solved with Analytic SQL syntax. In this session, we look at using our IGNORE NULLS extension for lag and lead to solve the "fill in the gaps" problem when rows are missing data. Scripts: https://livesql.oracle.com/apex/livesql/file/content_C0SXW1PG37G8REE0VTQH5LXJ8.html Watch the entire Analytics playlist at https://www.youtube.com/playlist?list=PLJMaoEWvHwFJDyhMLCkNSSUQWw9waFkIj ========================================­­============== Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 560 Connor McDonald
Tutorial#37 How to Remove Character/Spaces/String from Column Using with  LTRIM function in Oracle
 
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SQL LTRIM function removes all space characters from the left-hand side of a string or How to use Ltrim Function in Oracle SQL or how to remove spaces using LTRIM Function or How to use LTRIM, RTRIM & TRIM functions step by step. Assignment link: https://drive.google.com/open?id=1u4GKcVcBDBdHOmAzHKsfuAuEnPkK5WWe In this series we cover the following topics: SQL basics, create table oracle, SQL functions, SQL queries, SQL server, SQL developer installation, Oracle database installation, SQL Statement, OCA, Data Types, Types of data types, SQL Logical Operator, SQL Function,Join- Inner Join, Outer join, right outer join, left outer join, full outer join, self-join, cross join, View, SubQuery, Set Operator. follow me on: Facebook Page: https://www.facebook.com/LrnWthr-319371861902642/?ref=bookmarks Contacts Email: [email protected] Instagram: https://www.instagram.com/equalconnect/ Twitter: https://twitter.com/LrnWthR
Views: 240 EqualConnect Coach
Part-8  If textbox is empty give error message before saving
 
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if text-box is empty give error message before saving, text box empty error, error message in c#, text box empty do not save data c#, textbox validation in c#, textbox empty code in c#,
Views: 42504 code factory 2016
DBMS - Test for Empty Relations in SQL
 
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DBMS - Test for Empty Relations in SQL Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
Using Database Connection Strings in App.Config-Windows Application .NET.mp4
 
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In this video I have shown how to use database connection strings in the app.config file,in a Windows Application .NET project... I have used Visual Studio 2010 for this purpose... Hope u like it...
Views: 68770 Piyush Agarwal
C# Tutorial 6:  Insert/Save data to database
 
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Views: 376173 ProgrammingKnowledge
Java MySQL Database Tutorial - 9 - How To Check Whether a Value Exists or Not In a Table - Hindi
 
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Java MySQL Database Tutorial In Hindi Language Netbeans IDE Website Link: https://netbeans.org/downloads/ MySQL Connector JAR File Website : https://dev.mysql.com/downloads/connector/j/3.1.html XAMPP Website Link: https://www.apachefriends.org/index.html Java JDK 8 Website Link : http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html How To Download Netbeans IDE Video : https://www.youtube.com/watch?v=fu7rAlfLp4I How To Download XAMPP Video : https://www.youtube.com/watch?v=5TbPMlIJxrI MySQL Tutorial : https://www.youtube.com/playlist?list=PLNHw_0qv1zy8-nAi3qt8ppHvsFhJfMHqQ Java Tutorial : https://www.youtube.com/playlist?list=PLNHw_0qv1zy8WZ0kVZOsfPhpfLnTXQHX7 Java Swing GUI Tutorial : https://www.youtube.com/playlist?list=PLNHw_0qv1zy-cVdEX6HqJX2a8ZLHbG3Ox
Views: 590 Ganguly Tech
MySQL 25 - CHAR Data Type
 
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The first category of data types that we are going to cover in this MySQL series are the string data types, or character data types. There are two that I am going to talk about in this video, CHAR and VARCHAR. We'll start with CHAR. CHAR is a string data type where you specify how many characters are allowed in parenthesis after you declare the column as this type. For example, we can say CHAR(50) to allow up to 50 characters for each value in that column. The thing to know about CHAR though is that it is a fixed-length string. That means every single value inside of that column is actually going to be whatever you declare the length as. So if you say CHAR(50), every string is going to be 50 characters long. If, for example, you have a row that only uses 40 characters, MySQL will pad the right side of the string with spaces until it fills 50 characters. Now, the highest value you can put in here is 255. The 255 refers to characters. This means that you can have strings with up to 255 characters. How does the computer know how to store these characters? That has to deal with the character set and the encoding of the characters. By default, MySQL is going to use UTF-8. We are not going to discuss UTF-8 in detail for a while but essentially UTF-8 says that each character can take up to 3 bytes of storage. 255 comes from the max number you can count to using binary. So if we are keeping track of how many values are in this column in an 8 bit number, 255 is the highest. If you don't know what I'm talking about it, we'll worry about it later. You can actually make the column CHAR(0). In this situation, the only thing you could put in as a value for this column is an empty string (''). When retrieving variable length CHAR data from a database it may not look like the database pads the value. That's because MySQL actually strips spaces from the value when presented. If you want to keep all of the spaces that have been added when you retrieve the value, you can do that. Look up PAD_CHAR_TO_FULL_LENGTH online. In the next video we are going to discuss VARCHAR. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 5066 Caleb Curry
Java String - Example of Declaring and Initializing Strings and calling Methods - Java Tutorial
 
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The String data type is for declaring a sequence of characters. String literals are enclosed in double quotes, such as “Java”. A String can be any combination of characters including an empty String, a blank, numbers, digits, symbols and escape characters. String is a class data type, not one of the 8 primitive data types, which means that Strings are objects and not variables. An object consists of data that belongs to the object, and methods (actions) that the object can do. See the Java API for more info on the class String: https://docs.oracle.com/javase/8/docs/api/java/lang/String.html Please SUBSCRIBE to Appficial, and check out more Java Programming Tutorials! http://www.appficial.com The Basic Parts of a Java Program - Class and Main Method Header and Comments https://youtu.be/sHEk2DSBnSg Java Declaring and Initializing Variables https://youtu.be/Ag8ZH5qRzqM Naming Java Identifiers - Variables, Methods, and Object Names - Java Tutorial https://youtu.be/g0NR6Z0ac1A Java Reserved Keywords - Words like public static void class int double https://youtu.be/dklOXLDdeqc Java Primitive Data Types - byte short int long float double char and boolean https://youtu.be/hHTrxfEWPy0 Java Integers - int long byte and short Integer Variables https://youtu.be/FsrIsDSgTiQ Java Floating Point Numbers - float and double https://youtu.be/6JRufRrO1mQ Java E Notation - Doing Scientific Notation in a Java Program https://youtu.be/9tTKa9jEgNs Java Integer Division and Dividing by Zero - Java Tutorial - Appficial https://youtu.be/46Ngr6eczpA Java Basic Math Arithmetic Expressions and Precedence Rules https://youtu.be/IMavhbsbIeQ Java Compound Operators - Combined Assignment Arithmetic Operator Examples https://youtu.be/2TP7XOyCW1o Java Constants - Constant Variables using Keyword Final https://youtu.be/cj_5D8-vrfQ Java Math Class Methods https://youtu.be/Guhb43pivCs Java Type Conversions and Type Casting https://youtu.be/hXxFVXBxQ1Q How to Convert Binary numbers to Decimal Numbers https://youtu.be/g1TOLO2FsvQ Java Characters - The char Primitive Data Type https://youtu.be/LBQrD2nkKQg Java Escape Characters https://youtu.be/jZpSjEGMlUQ Java String Class https://youtu.be/3G9IcmbV4Gs Java Scanner Class https://youtu.be/A1QXB_6ALDA Java Integer Overflow https://youtu.be/lTnUbx5Gi6o Java Style Guidelines https://youtu.be/P7xur0m6-do
Views: 324 Appficial
Hide Nulls - How to Not Display Null Records
 
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Get Source Code/Read : http://intactabode.com/ For Developing support email your Details at : [email protected] Install Free Trail GST Ready Accounting Package Send your Contact information Name, Email, Contact Number to email : [email protected] watch demo in English : https://www.youtube.com/watch?v=a4sFNtZuYzs&ab_channel=IntactAbode watch demo in Hindi : https://www.youtube.com/watch?v=I3eCieDpG3o&ab_channel=IntactAbode Website : http://relybill.com/ SQL IS NULL Clause. NULL is a special value that signifies 'no value'. Comparing a column to NULL using the = operator is undefined. Instead, use WHERE IS NULL or WHERE IS NOT NULL. For Source Code Visit : http://corneey.com/wJ6X2K Subscribe to YouTube channel http://corneey.com/wJ6VoC Like us on Facebook http://corneey.com/wJ6C2l Follow us on Twitter http://corneey.com/wJ6C7x Follow me on Google+ http://corneey.com/wJ6Vhc linkedin http://corneey.com/wJ6V5g
Views: 240 Intact Abode
jQuery datatables get data from database table
 
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Link for all dot net and sql server video tutorial playlists https://www.youtube.com/user/kudvenkat/playlists?sort=dd&view=1 Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2015/08/jquery-datatables-get-data-from.html In this video we will discuss how to use database data with jQuery datatables plugin. There are many ways to get data into DataTables. If the data is small you can retrieve all the data at once and the processing (i.e paging, searching, ordering) is done on the client-side. On the other hand if the database data is large, server-side processing can be enabled. With server-side processing enabled, all paging, searching, ordering actions that DataTables performs are handed off to the server. In this video we will discuss retrieving all the data at once. The datatables plugin performs all the processing (i.e paging, searching, ordering etc) on the client-side. We want to retrieve data from the following database table tblEmployee. The database data should then be displayed using jQuery datatables plugin
Views: 158642 kudvenkat
Reading SQL:  Null Values in a Subquery: SQL Tutorial 75
 
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Please watch: "Install Oracle Database 12c Release 2 on Windows 10 Professional 64 bit" https://www.youtube.com/watch?v=5705VFJmku0 -~-~~-~~~-~~-~- : SQL Tutorial
Views: 90 Solution Wizard
Differences between ISNULL and NULLIF
 
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Nullif and Null are two important functions in Sql server which are important to handle Null Value.This video gives difference between Nullif and Null functions.
Views: 1139 SqlIsEasy
SQL Tutorial - 13: Inserting Data Into a Table From Another Table
 
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In this tutorial we'll learn to use the INSERT Query to copy data from one table into another.
Views: 264304 The Bad Tutorials
IS NULL Operator in SQL Query with Example
 
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SQL IS NULL Operator: A column value is NULL if it does not exist. The IS NULL operator is used to display all the rows for columns that do not have a value. For Example: If you want to find the emp names who do not get any commision, the query would be as given below: select * from emp where COMM IS NULL; In the opposite way, NOT NULL also works here: select * from emp where COMM IS NOT NULL; Thanks for watching..:)
Views: 3725 WingsOfTechnology
Java - How To Add And Update A Row To JTable From JTextField + Delete Row In Java [With Source Code]
 
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How To Insert Remove And Edit JTable Row Using text fields In Java NetBeans Source Code:http://1bestcsharp.blogspot.com/2015/05/java-jtable-add-delete-update-row.html ------------------ Check out my Java Projects! -------------------- ▶ Inventory Management System - http://bit.ly/Java_Inventory ▶ Students Information System - http://bit.ly/JavaStudent_System ▶ Contacts Management System - http://bit.ly/Java_Contacts ▶ All My Programming Projects Here - http://bit.ly/2HrU8hK ▶ My Source Code Store Here - http://bit.ly/2OsC0TU -------------------------- JAVA COURSE ----------------------------- ▶ master Java core development step-by-step - http://bit.ly/2HXSuAn -------------------------------------------------------------------- visit our blog https://1bestcsharp.blogspot.com/ facebook: https://www.facebook.com/1BestCsharp twitter: https://www.twitter.com/1BestCsharp_ subscribe: http://goo.gl/nRjPKk *************************************************************************** *************************************************************************** programming projects with source code: http://1bestcsharp.blogspot.com/p/programming-projects.html C# And Java Programming Books http://1bestcsharp.blogspot.com/2015/04/c-and-java-programming-books.html *************************************************************************** *************************************************************************** In this Java Swing Tutorial we will see How To : - add a Row To JTable From JTextFields . - delete Selected Row From table . - Get Selected Row Values From table to Text fields . - Update a JTable Row Using Text Fields . In Java NetBeans JAVA - How To Insert Update Delete Data In MySQL Database https://www.youtube.com/watch?v=uKEgKETRCzE JAVA - MySQL Database Navigation Buttons [First - Next - Previous - Last] https://www.youtube.com/watch?v=WkPWPuGHTTI and see also: http://1bestcsharp.blogspot.com/2015/01/java-mysql-how-to-bind-jtable-from-mysql-database-in-netbeans.html http://1bestcsharp.blogspot.com/2015/04/java-how-to-use-arraylist-in-java-netbeans.html http://1bestcsharp.blogspot.com/2015/05/java-linkedlist-mysql-database.html Display Image From JTable To JLabel In Java https://www.youtube.com/watch?v=nHCCubgd74s. Java - How To Create Login Form With MySQL Database [with source code] Part 1 : https://www.youtube.com/watch?v=7sNYhlBz9xo Part 2 : https://www.youtube.com/watch?v=meGhTnlS9k4 replay this video: http://youtu.be/22MBsRYuM4Q
Views: 146573 1BestCsharp blog
Validating Null values and Passwords JSP and Servlet using DB2
 
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to validate form field values from JSP page on Servlet
Views: 3254 Joy Hadoop
What is Concatenation in Java ?
 
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java concatenation, string concatenation java, java concatenate array of strings, java concatenate arrays java concatenation java concatenation operator java concatenation vs stringbuilder java concatenation example java concatenation stringbuilder java concatenation with null java concatenation performance java concatenation string int java concatenation rules java concatenation byte java concatenation loop java concatenation string java concatenate arrays java concatenate arraylist java concatenate array of strings java concatenate array elements java concatenate arraylist of strings java concatenate a list of strings java concatenate a string java concatenate arrays bytes java concatenate array values java concatenate args java concatenation boolean java concatenate bytebuffer java concatenate bits java concatenate binary files java concatenate bytes to int java concatenate buffered images java concatenate bitset java concatenate backslash java concatenate binary java concatenation char java concat char to string java concat collections java concatenate collection of strings java concat char array java concatenate charsequence java concatenate char array to string java concatenate csv files java concatenate classpath java concatenate char and int java concatenate digits java concatenation de string java concatenate directory and file java concatenate date and time java concatenate directory path java concatenate double quotes java concatenate double arrays java concatenate double java concatenate directories java concatenate delimiter java concatenation error java concatenation efficiency java concatenation empty string java concatenate enums java concatenate exceptions java concatenate excel files java concatenate elements array java concatenate enumerations java concatenate elements in list java concatenate files java concatenate file path java concatenate files example java concatenate files into one java concatenate files fast java concatenate function java concatenate files in a directory java concatenate fields java concatenate final strings java concatenate file name java concatenate gzip java guava concatenate lists java guava concatenate strings java string concatenation garbage collection java concatenate arrays guava java concatenate hashmaps java concatenate hashcode java concatenate hex java concatenate html java string concatenation how many objects java concatenation int java concatenation image java concatenate int to string java concatenate integers java concatenate input streams java concatenate iterators java concatenate integer to string java concatenate int arrays java concatenate if not null java string concatenation in loop java concatenate json objects java concatenate json java concatenate json arrays java concatenate jlabel java jtextfield concatenate java map concatenated key concatenate lists java java concatenation logging java concatenation linked list java concatenate list of strings java concatenate list of objects java concatenate list elements java concatenate list into string java concatenate long string java concatenate long java concatenation multiple strings java concatenate multiple byte arrays java concatenate maps java concatenate multiple arrays java concatenate method java concatenate multiple lists java concatenate matrix java concatenate multiple streams java concatenate many strings java concatenate multiple files java concatenation null java concatenation numbers java concatenate new line java concatenate number to string java concatenate name java nio concatenate paths java nio concatenate files java string concatenation not working java string concatenation null value java concatenate string n times java concatenation of strings java concatenation or stringbuilder java concatenation of char java concatenation of arrays java concatenate objects java concatenation oracle java concatenate object arrays java concatenate optional strings java concatenation path java concatenate pdf files java concatenate pdf java concatenate path filename
Views: 443 T3SO Tutorials
How to Create Oracle ArcSDE geodatabase ESRI Part 1 For Part 2 visit https://youtu.be/xEM3IExl-ms
 
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How to create an Oracle SDE geodatabase or enable to the Enable Geodatabase functionality in ArcMap 10.2? 1.launch dbca- done 2.create an oracle database.- done and lets wait for it to finish 3.once database created, launch sqlplus and create sde user and grant following permissions grant connect,resource to sde rest of the permissions we will give while enabling the geodatabase functionality i think the entry of the database is not added in tnsnames.ora. lets add and connect the location of tnsnames.ora is usually the same that i am showing you now lets connect 4. now lets create a geodatabase and enable the geodatabase functionality on this database i just used the easy connect string to connect. it is basically : servername OR IP/database name so 192.267.156.89/arc for e.g now we created a connection and lets proceed let me search for the .ECP file COOL we got errors lets resolve the permissions issue its simple copy from arc catalog and paste in sqlplus coPY and now paste in sqlplus you are not allowed to right click so just press CTL+C now lets try to use the tool again now it is creating geodatabase tables and stored procedures lets wait cool it is done the green warning message informs that ST_Geometry is not configured for this database so we can do it later on so geodatabase is created and empty . now you can add feature classes or other objects. For more information, write to us at www.arcsdesupport.com or visit arcsde.blogspot.in
Views: 7375 nitesh jauhari
#14 linux tutorial for beginners-Unix Shell Scripting-Conditional Logic Part-II
 
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Linux Shell Programming Tutorial for Beginners. Unix Shell Programming tutorail is recorded lecture from my online class Part 2. Linux tutorial for beginners 14 Unix Shell Scripting-Conditional Logic Part-II . To Learn or Teach Linux visit www.theskillpedia.com, A Marketplace for Learners and Trainers. For Corporate Training Requirements Visit My Website www.rnsangwan.com More on File Tests -d FILE True if file is a directory -e FILE True if file exists. -f FILE True if file exits and is a regular file -h FILE True if file is a symbolic link. -L FILE True if file is a symbolic link. -r FILE True if the file is readable by you. -s FILE True if file exists and is not empty. -w FILE True if the file is writable to you. -x FILE True if the file is executable by you. -O FILE True if the file is effectively owned by you. -G FILE True if the file is effectively owned by your group. Type ‘help test’ at the shell to see a complete list. String Tests Strings may be tested as well -z returns true if the string is empty -n returns true if the string is not empty. Operators such as =, !=, and may be used to compare strings as well. if id –u =“0”; then echo “You are logged in as root” fi More on String Tests -z STRING True if string is empty. -n STRING True if string is not empty. STRING1=STRING2 True if the strings are equal. STRING1!=STRING2 True if the strings are not equal. STRING1STRING2 True if STRING1 sorts before STRING2 lexicographically. STRING1STRING2 True if STRING1 sorts after STRING2 lexicographically. -o OPTION True if the shell option OPTIOIN is enabled. ! EXPR True if EXPR is false. EXPR1 –a EXPR2 True if both EXPR1 AND EXPR2 is true. EXPR1 –o EXPR2 True if either EXPR1 OR EXPR2 is true. ARG1 OP ARG2 Arithmetic tests. OP is one of the –eq, -ne, -lt, -le, -gt, or –ge. Selection Structures: Using if/else Statements if/else selection structures execute the body of the if structure only if the condition tested is true, otherwise the else is executed. if condition ; then Do something else Do something else fi Selection Structures: Using the case Statement The case statement provides an alternative method for performing selections that may be cleaner than multiple if/elif/else tests. case variable in pattern1 do something ;; pattern2 do another thing ;; esac
Views: 3722 TheSkillPedia
C# Tutorial 11:Database values in textbox if select Combobox
 
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------------------Online Courses to learn---------------------------- Java - https://bit.ly/2H6wqXk C++ - https://bit.ly/2q8VWl1 AngularJS - https://bit.ly/2qebsLu Python - https://bit.ly/2Eq0VSt C- https://bit.ly/2HfZ6L8 Android - https://bit.ly/2qaRSAS Linux - https://bit.ly/2IwOuqz AWS Certified Solutions Architect - https://bit.ly/2JrGoAF Modern React with Redux - https://bit.ly/2H6wDtA MySQL - https://bit.ly/2qcF63Z ----------------------Follow--------------------------------------------- My Website - http://www.codebind.com My Blog - https://goo.gl/Nd2pFn My Facebook Page - https://goo.gl/eLp2cQ Google+ - https://goo.gl/lvC5FX Twitter - https://twitter.com/ProgrammingKnow Pinterest - https://goo.gl/kCInUp Text Case Converter - https://goo.gl/pVpcwL -------------------------Stuff I use to make videos ------------------- Stuff I use to make videos Windows notebook – http://amzn.to/2zcXPyF Apple MacBook Pro – http://amzn.to/2BTJBZ7 Ubuntu notebook - https://amzn.to/2GE4giY Desktop - http://amzn.to/2zct252 Microphone – http://amzn.to/2zcYbW1 notebook mouse – http://amzn.to/2BVs4Q3 ------------------Facebook Links ---------------------------------------- http://fb.me/ProgrammingKnowledgeLearning/ http://fb.me/AndroidTutorialsForBeginners http://fb.me/Programmingknowledge http://fb.me/CppProgrammingLanguage http://fb.me/JavaTutorialsAndCode http://fb.me/SQLiteTutorial http://fb.me/UbuntuLinuxTutorials http://fb.me/EasyOnlineConverter ----------------------------------------------------------------------- how to bind combobox to textbox in C# ComboBox and TextBox‎ C# How to show combo box selected value in a text box‎ C# selecting an item in combobox and display corresponding Populate combobox from database C# How to get data in combobox from database? Populating a Combobox from a Dictionary How to fill different ComboBoxes in a DataGridView C# code add database column to datagridview combobox C# Populate combobox from database How to get data in combobox from database? Populating a Combobox from a Dictionary How to fill different ComboBoxes in a DataGridView code add database column to datagridview combobox Enter values into combobox from database‎ Enter values into combobox from database‎ C#
Views: 208641 ProgrammingKnowledge
Conversion from type 'DBNull' to type 'String' is not valid in DataGridView CellClick
 
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Conversion from type 'DBNull' to type 'String' is not valid in DataGridView_CellClick. www.hepspace.com
Views: 5365 Dipankar Biswas
String Functions in SQL Server part-IV || REPLACE, REPLICATE, REVERSE, RIGHT, RTRIM functions in SQL
 
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This video will provide you the details of each string functions in SQL Server 2014. I'll be walking through each and every kinds of build in function which are available in SQL Server in my next videos. Previous video for more String Functions String Function Part I https://www.youtube.com/watch?v=6cgn44DZ7w8 String Function Part II https://www.youtube.com/watch?v=RmyT87mstzc String Function Part III https://www.youtube.com/watch?v=lQVnQKeGlf0 ***************************************************************************************** REPLACE (Transact-SQL) Replaces all occurrences of a specified string value with another string value.  Syntax REPLACE ( string_expression , string_pattern , string_replacement )  Arguments string_expression Is the string expression to be searched. string_expression can be of a character or binary data type. string_pattern Is the substring to be found. string_pattern can be of a character or binary data type. string_pattern cannot be an empty string (''), and must not exceed the maximum number of bytes that fits on a page. string_replacement Is the replacement string. string_replacement can be of a character or binary data type.  Return Types Returns nvarchar if one of the input arguments is of the nvarchar data type; otherwise, REPLACE returns varchar. Returns NULL if any one of the arguments is NULL. If string_expression is not of type varchar(max) or nvarchar(max),REPLACE truncates the return value at 8,000 bytes. To return values greater than 8,000 bytes, string_expression must be explicitly cast to a large-value data type. ***************************************************************************************** REPLICATE (Transact-SQL) Repeats a string value a specified number of times.  Syntax REPLICATE ( string_expression ,integer_expression )  Arguments string_expression Is an expression of a character string or binary data type. string_expression can be either character or binary data. Note : If string_expression is not of type varchar(max) or nvarchar(max), REPLICATE truncates the return value at 8,000 bytes. To return values greater than 8,000 bytes, string_expression must be explicitly cast to the appropriate large-value data type. integer_expression Is an expression of any integer type, including bigint. If integer_expression is negative, NULL is returned.  Return Types Returns the same type as string_expression. ***************************************************************************************** REVERSE (Transact-SQL) Returns the reverse order of a string value.  Syntax REVERSE ( string_expression )  Arguments string_expression string_expression is an expression of a string or binary data type. string_expression can be a constant, variable, or column of either character or binary data.  Return Types varchar or nvarchar ***************************************************************************************** RIGHT (Transact-SQL) Returns the right part of a character string with the specified number of characters.  Syntax RIGHT ( character_expression , integer_expression )  Arguments character_expression Is an expression of character or binary data. character_expression can be a constant, variable, or column. character_expression can be of any data type, except text or ntext, that can be implicitly converted to varchar or nvarchar. Otherwise, use the CAST function to explicitly convertcharacter_expression. integer_expression Is a positive integer that specifies how many characters of character_expression will be returned. If integer_expression is negative, an error is returned. Ifinteger_expression is type bigint and contains a large value, character_expression must be of a large data type such as varchar(max).  Return Types Returns varchar when character_expression is a non-Unicode character data type. Returns nvarchar when character_expression is a Unicode character data type. ***************************************************************************************** RTRIM (Transact-SQL) Returns a character string after truncating all trailing blanks.  Syntax RTRIM ( character_expression )  Arguments character_expression Is an expression of character data. character_expression can be a constant, variable, or column of either character or binary data. character_expression must be of a data type that is implicitly convertible to varchar. Otherwise, use CAST to explicitly convert character_expression.  Return Types varchar or nvarchar
Views: 91 Softtech forum

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