由04年下半年数工下午第二题引发的系列实验4--嵌套相关子查询(nested correlated query) 与 查询预处理...
1nestedcorrelatedquerySQL>editWrotefileafiedt.buf1SELECTename,sal2FROMempe13WHEREsal=(4SELECTMAX(sal)5FROMempe26WHEREe1.deptno=e2.deptno7*)SQL>settimingonSQL>/ENAMESAL--------------------BLAKE2850SCOT