minus
minus列表
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介绍一下SQL中union,intersect和minus
Union用来返回多个查询的结果的总和去掉重复的结果语法:SELECT column1, column2 FROM tablename1UNIONSELECT column1, column2 FROM tablename2;Intersect... [minus]
Union用来返回多个查询的结果的总和去掉重复的结果语法:SELECT column1, column2 FROM tablename1UNIONSELECT column1, column2 FROM tablename2;Intersect... [minus]