Oracle
Oracle 19c OCP 标签描述

14.ExaminethedescriptionoftheSATES1tableSALES2isatablewiththesamedescriptionasSALES1SomesalesdataiscontainederroneouslyinbothtablesYoumustdisplayrowsfromSALES1andSALES2andwishtoseetheduplicatestooWhichsetoperatorgeneratestherequiredoutput? A.MINUS B.UNIONALL C.SUBTRACT D.UNION E.INTERSECT 参考答案:E 解析:...