mysql查询姓张或者姓王_MySQL查操作-多表查询(题)多表查询
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1.创建student和score表
CREATE TABLE student (
id INT(10)not null unique primary key,mysql数据库恢复命令
name VARCHAR(20) NOT NULL,
sex VARCHAR(4),
birth YEAR,
department VARCHAR(20),
address VARCHAR(50)
);
混淆工具创建score表。SQL代码如下:
CREATE TABLE score (
id INT(10) NOT NULL UNIQUE PRIMARY KEY AUTO_INCREMENT,
stu_id INT(10) NOT NULL,
c_name VARCHAR(20),
grade INT(10)
);
2.为student表和score表增加记录
java有goto语句吗
向student表插⼊记录的INSERT语句如下:
INSERT INTO student VALUES( 901,'张⽼⼤', '男',1985,'计算机系', '北京市海淀区');
INSERT INTO student VALUES( 902,'张⽼⼆', '男',1986,'中⽂系', '北京市昌平区');
INSERT INTO student VALUES( 903,'张三', '⼥',1990,'中⽂系', '湖南省永州市');
INSERT INTO student VALUES( 904,'李四', '男',1990,'英语系', '辽宁省⾩新市');
INSERT INTO student VALUES( 905,'王五', '⼥',1991,'英语系', '福建省厦门市');
INSERT INTO student VALUES( 906,'王六', '男',1988,'计算机系', '湖南省衡阳市');
向score表插⼊记录的INSERT语句如下:
INSERT INTO score VALUES(NULL,901, '计算机',98);
INSERT INTO score VALUES(NULL,901, '英语', 80);
INSERT INTO score VALUES(NULL,902, '计算机',65);
INSERT INTO score VALUES(NULL,902, '中⽂',88);
mysql语句多表查询INSERT INTO score VALUES(NULL,903, '中⽂',95);
android 布局INSERT INTO score VALUES(NULL,904, '计算机',70);
INSERT INTO score VALUES(NULL,904, '英语',92);