SQL中GO的用法
USE pubs GODECLARE @MyMsg VARCHAR(50)
SELECT @MyMsg = 'Hello, World.'
GO -- @MyMsg is not valid after this GO ends the batch.
-- Yields an error because @MyMsg not declared in this batch.
PRINT @MyMsg
GO
SELECT @@VERSION;
-- Yields an error: Must be EXEC sp_who if not first statement in
-- batch.
sp_who
GO
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