数据库练习1

1、创建数据库school，字符集为utf8

2、在school数据库中创建Student和Score表

3、授权用户tom，密码mysql，能够从任何地方登录并管理数据库school

1、创建数据库school，字符集为utf8

mysql> create database school default character set utf8mb4;
Query OK, 1 row affected (0.00 sec)
​

mysql> use school;
Database changed

2、在school数据库中创建Student和Score表

mysql> create table Student ( Id int(10) primary key auto_increment comment '学号', Name varchar(20) not null comment '姓名', Sex varchar(4) comment '性别', Birth YEAR comment '出生年份', Department varchar(20) not null comment '院系' , Address varchar(50) comment '家庭住址');
Query OK, 0 rows affected (0.03 sec)

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mysql> create table Score(   -> Id INT(10) primary key auto_increment comment '编号',   -> Stu_id INT(10) not null comment '编号',   -> C_name VARCHAR(20) comment '课程名',   -> Grade INT(10) comment '分数' )   -> ; ​

3、授权用户tom，密码mysql，能够从任何地方登录并管理数据库school

mysql> create user tom@'192.168.157.%' identified by 'Tom@1234';
Query OK, 0 rows affected (0.00 sec)
​
mysql> grant all on school.* to tom@'192.168.157.%';
Query OK, 0 rows affected (0.01 sec)

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