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source link The below is a simple script which tests to see whether I have the AdventureWorks2012 database.
http://agencijapragma.com/?kiopoa=il-trading-opzione-binarie-opinion&cd5=4b IF EXISTS (SELECT * FROM sys.databases WHERE name = 'AdventureWorks2012' ) PRINT 'AdventureWorks2012 is installed'
AdventureWorks2012 is installed
The query checks whether the AdventureWorks2012 returns a value or is TRUE from my query and
then runs the PRINT command to confirm the value was returned as I expected.
You can make the IF statement more powerful by adding the ELSE statement. The ELSE Statement is
used as we often don’t just want to check if a statement is TRUE but also want to produce an action if its false.
DECLARE @TestValue int SET @TestValue = 1 IF @TestValue >1 BEGIN PRINT 'The Test value is greater than 1' END ELSE PRINT 'The Test value is less than or equal to 1'
The result you will get is below.
The Test value is less than or equal to 1