Replace Employee with your table name, and Salary with your column name. Where N is the level of Salary to be determined. Let us see a query to retrieve the Nth Maximum Value.
Usage: SELECT : Designed to return data. SET : Designed to assign values to local variables. While testing the performance of the following two scripts in query analyzer, interesting results are discovered. SET @foo1 = 1; SET @foo2 = 2; SET @foo3 = 3; SELECT @foo1 = 1, @foo2 =…Read More
Unique Index and Unique Constraint are the same. They achieve same goal. SQL Performance is same for both. Add Unique Constraint ALTER TABLE dbo.<tablename> ADD CONSTRAINT <namingconventionconstraint> UNIQUE NONCLUSTERED ( <columnname> ) ON [PRIMARY] Add Unique Index CREATE UNIQUE NONCLUSTERED INDEX <namingconventionconstraint> ON dbo.<tablename> ( <columnname> ) ON [PRIMARY] There…Read More
The xp_cmdshell option is a server configuration option that enables system administrators to control whether the xp_cmdshell extended stored procedure can be executed on a system.
Title says all. My search engine log says many web users are looking for DBCC ROWLOCK in SQL SERVER 2005. It is deprecated feature for SQL SERVER 2005. It is Automatically on for SQL SERVER 2005. More Deprecated Features of SQL SERVER 2005 Refer MSDN Discontinued Database Engine Functionality in…Read More