Shulou(Shulou.com)06/01 Report--

-- if else

If 1 > 0

Print 'big'

-- begin end structure

Begin end usage setting a program block for batch processing

If 1 > 0

Begin

Print 'big'

End

-- the case statement has a return value

Declare @ an int, @ b char (10)

Set @ axi1

Set @ b=case

When @ a > 0

Then 'greater than zero'

When @ a

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