Code collation for SQL judgment function, stored procedure _mssql

Source: Internet
Author: User

Here is a description of SQL used to determine the existence of various resources of the code, the need for friends can refer to, I hope that you learn SQL functions and databases can help.

-whether the library exists if
exists (SELECT * from Master ...). sysdatabases where name=n ' library name ')
print ' exists '
print ' NOT EXISTS '
--Determine if the table name you want to create exists if
exists (SELECT * from dbo.sysobjects WHERE id = object_id (N ' [dbo].[ Table name] and OBJECTPROPERTY (ID, N ' isusertable ') = 1)-
-Delete Table drop table
[dbo].[ Table name] Go
--to determine if a temporary table exists if
object_id (' tempdb.dbo. #Test ') is not Null
print ' exists ' end
print ' does not exist ' end

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