【数据库】查询插入一列
摘要:alter table tablenameadd列名 类型;goupdate tablenameset tablename.col=tablename2.colfrom tablename2where tablename.col1=tablename2.col1
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posted @ 2010-03-16 12:08
posted @ 2010-03-16 12:08
posted @ 2010-03-02 09:56