50624
Source Host : localhost
Source Database : sqlexam
Target Server Type : MySQL
Target Server Version : 50624
File Encoding : utf-8
Date: 10/21/2016 06:46:46
AM
*/
SET NAMES utf8;
SET FOREIGN_KEY_CHECKS =
0;
-- ----------------------------
-- Table structure
for `
class`
-- ----------------------------
DROP TABLE IF EXISTS `class`;
CREATE TABLE `class` (
`cid` int(11
) NOT NULL AUTO_INCREMENT,
`caption` varchar(32
) NOT NULL,
PRIMARY KEY (`cid`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=
utf8;
-- ----------------------------
-- Records of `
class`
-- ----------------------------
BEGIN;
INSERT INTO `class` VALUES (
‘1‘,
‘三年二班‘), (
‘2‘,
‘三年三班‘), (
‘3‘,
‘一年二班‘), (
‘4‘,
‘二年九班‘);
COMMIT;
-- ----------------------------
-- Table structure
for `course`
-- ----------------------------
DROP TABLE IF EXISTS `course`;
CREATE TABLE `course` (
`cid` int(11
) NOT NULL AUTO_INCREMENT,
`cname` varchar(32
) NOT NULL,
`teacher_id` int(11
) NOT NULL,
PRIMARY KEY (`cid`),
KEY `fk_course_teacher` (`teacher_id`),
CONSTRAINT `fk_course_teacher` FOREIGN KEY (`teacher_id`) REFERENCES `teacher` (`tid`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=
utf8;
-- ----------------------------
--
Records of `course`
-- ----------------------------
BEGIN;
INSERT INTO `course` VALUES (‘1‘,
‘生物‘,
‘1‘), (
‘2‘,
‘物理‘,
‘2‘), (
‘3‘,
‘体育‘,
‘3‘), (
‘4‘,
‘美术‘,
‘2‘);
COMMIT;
-- ----------------------------
-- Table structure
for `score`
-- ----------------------------
DROP TABLE IF EXISTS `score`;
CREATE TABLE `score` (
`sid` int(11
) NOT NULL AUTO_INCREMENT,
`student_id` int(11
) NOT NULL,
`course_id` int(11
) NOT NULL,
`num` int(11
) NOT NULL,
PRIMARY KEY (`sid`),
KEY `fk_score_student` (`student_id`),
KEY `fk_score_course` (`course_id`),
CONSTRAINT `fk_score_course` FOREIGN KEY (`course_id`) REFERENCES `course` (`cid`),
CONSTRAINT `fk_score_student` FOREIGN KEY (`student_id`) REFERENCES `student` (`sid`)
) ENGINE=InnoDB AUTO_INCREMENT=53 DEFAULT CHARSET=
utf8;
-- ----------------------------
--
Records of `score`
-- ----------------------------
BEGIN;
INSERT INTO `score` VALUES (‘1‘,
‘1‘,
‘1‘,
‘10‘), (
‘2‘,
‘1‘,
‘2‘,
‘9‘), (
‘5‘,
‘1‘,
‘4‘,
‘66‘), (
‘6‘,
‘2‘,
‘1‘,
‘8‘), (
‘8‘,
‘2‘,
‘3‘,
‘68‘), (
‘9‘,
‘2‘,
‘4‘,
‘99‘), (
‘10‘,
‘3‘,
‘1‘,
‘77‘), (
‘11‘,
‘3‘,
‘2‘,
‘66‘), (
‘12‘,
‘3‘,
‘3‘,
‘87‘), (
‘13‘,
‘3‘,
‘4‘,
‘99‘), (
‘14‘,
‘4‘,
‘1‘,
‘79‘), (
‘15‘,
‘4‘,
‘2‘,
‘11‘), (
‘16‘,
‘4‘,
‘3‘,
‘67‘), (
‘17‘,
‘4‘,
‘4‘,
‘100‘), (
‘18‘,
‘5‘,
‘1‘,
‘79‘), (
‘19‘,
‘5‘,
‘2‘,
‘11‘), (
‘20‘,
‘5‘,
‘3‘,
‘67‘), (
‘21‘,
‘5‘,
‘4‘,
‘100‘), (
‘22‘,
‘6‘,
‘1‘,
‘9‘), (
‘23‘,
‘6‘,
‘2‘,
‘100‘), (
‘24‘,
‘6‘,
‘3‘,
‘67‘), (
‘25‘,
‘6‘,
‘4‘,
‘100‘), (
‘26‘,
‘7‘,
‘1‘,
‘9‘), (
‘27‘,
‘7‘,
‘2‘,
‘100‘), (
‘28‘,
‘7‘,
‘3‘,
‘67‘), (
‘29‘,
‘7‘,
‘4‘,
‘88‘), (
‘30‘,
‘8‘,
‘1‘,
‘9‘), (
‘31‘,
‘8‘,
‘2‘,
‘100‘), (
‘32‘,
‘8‘,
‘3‘,
‘67‘), (
‘33‘,
‘8‘,
‘4‘,
‘88‘), (
‘34‘,
‘9‘,
‘1‘,
‘91‘), (
‘35‘,
‘9‘,
‘2‘,
‘88‘), (
‘36‘,
‘9‘,
‘3‘,
‘67‘), (
‘37‘,
‘9‘,
‘4‘,
‘22‘), (
‘38‘,
‘10‘,
‘1‘,
‘90‘), (
‘39‘,
‘10‘,
‘2‘,
‘77‘), (
‘40‘,
‘10‘,
‘3‘,
‘43‘), (
‘41‘,
‘10‘,
‘4‘,
‘87‘), (
‘42‘,
‘11‘,
‘1‘,
‘90‘), (
‘43‘,
‘11‘,
‘2‘,
‘77‘), (
‘44‘,
‘11‘,
‘3‘,
‘43‘), (
‘45‘,
‘11‘,
‘4‘,
‘87‘), (
‘46‘,
‘12‘,
‘1‘,
‘90‘), (
‘47‘,
‘12‘,
‘2‘,
‘77‘), (
‘48‘,
‘12‘,
‘3‘,
‘43‘), (
‘49‘,
‘12‘,
‘4‘,
‘87‘), (
‘52‘,
‘13‘,
‘3‘,
‘87‘);
COMMIT;
-- ----------------------------
-- Table structure
for `student`
-- ----------------------------
DROP TABLE IF EXISTS `student`;
CREATE TABLE `student` (
`sid` int(11
) NOT NULL AUTO_INCREMENT,
`gender` char(1
) NOT NULL,
`class_id` int(11
) NOT NULL,
`sname` varchar(32
) NOT NULL,
PRIMARY KEY (`sid`),
KEY `fk_class` (`class_id`),
CONSTRAINT `fk_class` FOREIGN KEY (`class_id`) REFERENCES `class` (`cid`)
) ENGINE=InnoDB AUTO_INCREMENT=17 DEFAULT CHARSET=
utf8;
-- ----------------------------
--
Records of `student`
-- ----------------------------
BEGIN;
INSERT INTO `student` VALUES (‘1‘,
‘男‘,
‘1‘,
‘理解‘), (
‘2‘,
‘女‘,
‘1‘,
‘钢蛋‘), (
‘3‘,
‘男‘,
‘1‘,
‘张三‘), (
‘4‘,
‘男‘,
‘1‘,
‘张一‘), (
‘5‘,
‘女‘,
‘1‘,
‘张二‘), (
‘6‘,
‘男‘,
‘1‘,
‘张四‘), (
‘7‘,
‘女‘,
‘2‘,
‘铁锤‘), (
‘8‘,
‘男‘,
‘2‘,
‘李三‘), (
‘9‘,
‘男‘,
‘2‘,
‘李一‘), (
‘10‘,
‘女‘,
‘2‘,
‘李二‘), (
‘11‘,
‘男‘,
‘2‘,
‘李四‘), (
‘12‘,
‘女‘,
‘3‘,
‘如花‘), (
‘13‘,
‘男‘,
‘3‘,
‘刘三‘), (
‘14‘,
‘男‘,
‘3‘,
‘刘一‘), (
‘15‘,
‘女‘,
‘3‘,
‘刘二‘), (
‘16‘,
‘男‘,
‘3‘,
‘刘四‘);
COMMIT;
-- ----------------------------
-- Table structure
for `teacher`
-- ----------------------------
DROP TABLE IF EXISTS `teacher`;
CREATE TABLE `teacher` (
`tid` int(11
) NOT NULL AUTO_INCREMENT,
`tname` varchar(32
) NOT NULL,
PRIMARY KEY (`tid`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=
utf8;
-- ----------------------------
--
Records of `teacher`
-- ----------------------------
BEGIN;
INSERT INTO `teacher` VALUES (‘1‘,
‘张磊老师‘), (
‘2‘,
‘李平老师‘), (
‘3‘,
‘刘海燕老师‘), (
‘4‘,
‘朱云海老师‘), (
‘5‘,
‘李杰老师‘);
COMMIT;
SET FOREIGN_KEY_CHECKS = 1;
View Code
从init.sql文件中导入数据
mysql> create database db1;
mysql> use db1;
mysql> source /root/init.sql
1、查询所有的课程的名称以及对应的任课老师姓名
2、查询学生表中男女生各有多少人
3、查询物理成绩等于100的学生的姓名
4、查询平均成绩大于八十分的同学的姓名和平均成绩
5、查询所有学生的学号，姓名，选课数，总成绩
6、 查询姓李老师的个数
7、 查询没有报李平老师课的学生姓名
8、 查询物理课程比生物课程高的学生的学号
9、 查询没有同时选修物理课程和体育课程的学生姓名
10、查询挂科超过两门(包括两门)的学生姓名和班级
11 、查询选修了所有课程的学生姓名
12、查询李平老师教的课程的所有成绩记录
13、查询全部学生都选修了的课程号和课程名
14、查询每门课程被选修的次数
15、查询之选修了一门课程的学生姓名和学号
16、查询所有学生考出的成绩并按从高到低排序（成绩去重）
17、查询平均成绩大于85的学生姓名和平均成绩
18、查询生物成绩不及格的学生姓名和对应生物分数
19、查询在所有选修了李平老师课程的学生中，这些课程(李平老师的课程，不是所有课程)平均成绩最高的学生姓名
20、查询每门课程成绩最好的前两名学生姓名
21、查询不同课程但成绩相同的学号，课程号，成绩
22、查询没学过“叶平”老师课程的学生姓名以及选修的课程名称；
23、查询所有选修了学号为1的同学选修过的一门或者多门课程的同学学号和姓名；
24、任课最多的老师中学生单科成绩最高的学生姓名
View Code
Mysql ==》 多表查询
标签：sts version 使用 group desc charset ide left join 排序
