sqlserver 查询分析器里面执行即可
DECLARE curItems CURSOR
FOR select [name] from sysobjects where xtype='U'
FOR READ ONLY
OPEN curItems
DECLARE @n NVARCHAR(100),@m NVARCHAR(100)
FETCH FROM curItems INTO @n
WHILE @@FETCH_STATUS=0
BEGIN
set @m=@n
exec('Drop Table ' + @m)
FETCH NEXT FROM curItems INTO
@n
END
CLOSE curItems
DEALLOCATE curItems
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