SQL脚本：批量删除所有的用户表

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--批量删除所有的用户表
-----------------------------------------------------------------------------
DECLARE @DROP_STRING VARCHAR(8000)
--删除外键约束
DECLARE DROP_FK CURSOR FOR
SELECT  'ALTER TABLE '+ OBJECT_NAME(PARENT_OBJ) + ' DROP CONSTRAINT '+NAME
FROM    SYSOBJECTS
WHERE   XTYPE = 'F'
OPEN DROP_FK
FETCH NEXT FROM DROP_FK INTO @DROP_STRING
WHILE(@@FETCH_STATUS=0)
BEGIN     EXEC(@DROP_STRING)     FETCH NEXT FROM DROP_FK INTO @DROP_STRING
END
CLOSE DROP_FK
DEALLOCATE DROP_FK
--删除表
DECLARE DROP_TABLE CURSOR FOR
SELECT  'DROP TABLE '+NAME
FROM    SYSOBJECTS
WHERE   XTYPE = 'U'
OPEN DROP_TABLE
FETCH NEXT FROM DROP_TABLE INTO @DROP_STRING
WHILE(@@FETCH_STATUS=0)
BEGIN     EXEC(@DROP_STRING)     FETCH NEXT FROM DROP_TABLE INTO @DROP_STRING
END
CLOSE DROP_TABLE
DEALLOCATE DROP_TABLE
GO