update test1 set (test1.name,test1.age)= (select test2.name,test2.age from test2 where test2.id=test1.id) 多表關(guān)聯(lián),更新指定行的某一字段 1 2 3 UPDATE "DATA_HISTORY_copy2" t set SHJG = (select m.SHJG from DATA_MONTHCOPY m where t.DWDM = m.DWDM and SUBSTR(t.SQSJ, 0,...
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