今天遇到一个关于SQL转换成Oracle语句的问题,描述如下: select * from emp order by deptno; select * from dept; Sql Serve今天遇到一个关于sql转换成oracle
语句的问题,,描述如下:
select * from emp order by deptno;select * from dept;Sql Server:update dept a set dname=(select top 1 ename from emp where deptno=a.deptno order by sal)经过尝试,查找资料,得出下面转换结果,不知道这样是否可行:update dept a set dname=(with t as(select ename,deptno from emp order by sal) oracle知识库oracle知识库下载下载select ename from t where deptno=a.deptno and rownum=1) where exists(with t as(select ename,deptno from emp order by sal) select null from t where deptno=a.deptno)
执行结果:
select * from dept;其他替代方法随后再做尝试。
本文永久更新链接地址:
