Mysql创建库、表练习

创建库

#创建
create database gc_novels default charset=utf8mb4;
    #default charset=utf8mb4  指定编码为utf-8

#使用
use gc_novels

#查看当前所在位置
select database();

结果：

创建表

#创建
create table heros(
    ->     id int,
    ->     name varchar(50),
    ->     gender char(5),
    ->     book_title varchar(50),
    ->     writing_time varchar(50)
    -> );


#查看数据库中的表
show tables;

#查看表的详细信息
desc heros;


#插入数据
mysql> insert into heros values(1,"孙悟空","男","《西游记》","明代");

mysql> insert into heros values(2,"林黛玉","女","《红楼梦》","清代");

mysql> insert into heros values(3,"张飞","男","《三国演义》","元末明初");

mysql> insert into heros values(3,"武松","男","《水浒传》","元末明初");


#查看数据
select * from heros;

结果：