查询student表中的所有记录,按照grade字段升序排列,按照gender字段降序排列()
A. SELECT * FROM student ORDER BY grade,gender ASC
B. SELECT * FROM student ORDER BY grade DESC,gender DESC
C. SELECT * FROM student ORDER BY grade DESC,gender ASC
D. SELECT * FROM student ORDER BY grade ASC,gender DESC
查看答案
查询student表中grade字段值从第5位到第8位的学生(从高到第)()
A. SELECT * FROM student ORDER BY grade DESC LIMIT 5,8
B. SELECT * FROM student ORDER BY grade LIMIT 5,8
C. SELECT * FROM student ORDER BY grade LIMIT 4,4
D. SELECT * FROM student ORDER BY grade DESC LIMIT 4,4
公司中有多个部门和多个职员,每个职员只能属于一个部门,一个部门可以有多名职员,从职员到部门的联系类型是()
A. 多对多
B. 多对一
C. 一对多
D. 一对一
下列那个关键字可以用来修改MySQL的结束符()
A. DECLARE
B. CREATE
C. DELIMITER
D. ITERATE
以下哪个选项可以用来查看存储过程pro1的状态()
A. SHOW STATUS pro1
B. SHOW CREATE PROCEDURE pro1
C. SHOW PROCEDURE pro1
D. SHOW pro1