IP属地:重庆
<!DOCTYPE html> var num=0; var te=null; function count(){ var tim=docume...
JDBC package com.neuedu.jdbc; import java.sql.Connection; import java.sq...
SELECT * FROM emp WHERE deptno=10 SELECT * FROM emp where ename='KING' S...
-- 1.查询部门在20或30的员工姓名,部门编号,并按照工资升序排序。 SELECT ENAME,DEPTNO FROM EMP WHERE ...