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我有一个简单的 oracle 语句,我不明白为什么它不起作用。
UPDATE sdg_user,sdg
SET sdg_user.U_START_DATE = trunc(sysdate-2,'DD')
WHERE sdg_user.SDG_ID = sdg.SDG_ID
and sdg.name in('875933','873401','875946','876036','876103','876271','876274','876297','876298')