摘要:
**复制表结构**select * into b from product where 11**拷贝表**select * into c from product**两张关联表,删除主表中已经在副表中没有的信息**delete from product where not exists (select * from userbase where product.uid=userbase.uid)... 阅读全文
posted @ 2009-02-10 14:00
Devil_Zhang
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