sql语句_实现查询库中所有表的所有字段中包含XX的删除
来源:百度知道 编辑:UC知道 时间:2024/06/08 16:57:23
1 an 12345 aXX
2 XXb 56789 cXX
. ... ... ...
.. ... .... ....
执行后
1 an 12345 a
2 B 56789 c
. ... ... ...
.. ... .... ....
声明下 所有表 所有字段 中包含XX 的
2 XXb 56789 cXX
. ... ... ...
.. ... .... ....
执行后
1 an 12345 a
2 B 56789 c
. ... ... ...
.. ... .... ....
声明下 所有表 所有字段 中包含XX 的
呵呵,这个要用到游标了,可把我累得。以下代码已通过测试
DECLARE @tabName VARCHAR(40),@colName VARCHAR(40)
DECLARE @sql VARCHAR(200)
DECLARE tabCursor CURSOR FOR
SELECT name From sysobjects WHERE xtype = 'u' AND name <> 'dtproperties'
OPEN tabCursor
FETCH NEXT FROM tabCursor INTO @tabName
WHILE @@fetch_status = 0
BEGIN
SET @sql = 'UPDATE ' + @tabName + ' SET '
DECLARE colCursor CURSOR FOR Select Name FROM SysColumns Where id=Object_Id(@tabName)
OPEN colCursor
FETCH NEXT FROM colCursor INTO @colName
WHILE @@fetch_status = 0
BEGIN
SET @sql = @sql + @colName + '=REPLACE(' +@colName+ ',''XX'',''''),'
FETCH NEXT FROM colCursor INTO @colName
END
SET @sql = LEFT(@sql,LEN(@sq