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Monthly Archives: January 2012
SQL Server- Output clause
Output Clause:- The SQL SERVER 2005 gives us an Output Clause which gives us the information about each row affected by the Insert, Update , Delete and Merge statement. It is more useful than @@scope_Identity and @@Identity column since these global variables gives us … Continue reading
CTE command In Sql Server
Common table expression (CTE):- Common table expression or CTE can be described as the temporary, named record set return by the execution of the query (insert, delete, update, select or update view statement). It is not stored as an object … Continue reading
Posted in Most Imp SQL Concepts, SQL CTE, SQL Server
Tagged SQL Advance Concepts, SQL CTE
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SQL Server-Table Variable
Table variable:- SQL Server provides an variable known as table variable which is used to store data in a similar way as we store data in physical tables but with some limitations. Like other SQL variable, it is also declare with the help … Continue reading
Posted in SQL Basic Concepts, SQL Server, SQL Temporary Tables
Tagged SQL Basic Concepts, SQL Temporary table
4 Comments
SQL Server – Local temporary table
Local temporary table:- Local temporary table is created in the tempdb and it is visible to the current user’s session only. It remains exists till the current user session is connected. Once the user connection is disconnected it gets destroyed. … Continue reading
Posted in SQL Server, SQL Temporary Tables
Tagged SQL Basic Concepts, SQL Temporary table
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SQL Server – Global temporary tables
Global temporary table:- Global temporary table is created in the tempdb and it is visible to all other sessions as well. Global temporary tables are only destroyed when the current user disconnected and all the sessions referring to it closed. It means no … Continue reading
Posted in SQL Server, SQL Temporary Tables
Tagged SQL Basic Concepts, SQL Temporary table
31 Comments
How to change the database collation
To change the collation of an database following commands can be used: ALTER DATABASE [database name] SET SINGLE_USER WITH ROLLBACK IMMEDIATE ALTER DATABASE [database name] COLLATE Newcollation ALTER DATABASE [database name] SET MULTI_USER For example , suppose if the name of your database is learningdb and you want to change the collation to the collation SQL_Latin1_General_CP1257_CI_AS, … Continue reading
How to rename a Table in Sql Server
To rename a column in a SQL Table following command can be reused: SP_RENAME ‘old table name’, ‘New table name’ For example, if we want to rename the table from employee to employeemaster, following command can be used. SP_RENAME ’employee’, ’employeemaster’ This … Continue reading