第1题 取得每个部门最高薪水的人员名称 第一步:取得每个部门最高薪水 select max(sal) topsal, deptno from emp group by deptno; 第二步:将上面第一步的查询结果当做一张临时表t,进行表连接,条件是:t.deptno=e.deptno and t.maxsal=e.sal select e.ename, t.* from emp e
Follow up for "Search in Rotated Sorted Array": What if duplicates are allowed? Would this affect the run-time complexity? How and why? Write a function to determine if a given target is in the a