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oracle更新表数据的方法

2020-04-24 17:21  菜码地里的小白  阅读(446)  评论(0编辑  收藏  举报
merge into JNGHCG.SSG_GCHX_PY gc
using (SELECT T.PROJECTCODE AS PROJECTCODE,R.YDXZ AS YDXZ FROM BZ_PROJECTCASE T LEFT JOIN BZ_GC_HXSJ R ON R.CID = T.ID) B
on(b.projectcode = gc.xmid) when matched then
update set gc.ydxz = b.ydxz where gc.objectid = 10644