编辑代码

CREATE DATABASE test;
use test;
CREATE TABLE student (
	id int,
	name varchar(255),
	address varchar(255),
	city varchar(255)
);

CREATE TABLE very_goods (
    id int(11) PRIMARY KEY AUTO_INCREMENT COMMENT '商品编号',
    type varchar(30) NOT NULL COMMENT '商品类别',
    name varchar(30) unique COMMENT '商品名称',
    price decimal(7,2) COMMENT '商品价格',
    num int(11) default 0 COMMENT '商品库存',
    add_time datetime COMMENT '添加时间'
);

INSERT INTO student VALUES (1, '刘一', '郑十家隔壁', '河南');
INSERT INTO student VALUES (2, '陈二',  '李四家隔壁', '安徽');
INSERT INTO student VALUES (3, '张三',  '白娘子家隔壁', '杭州');
INSERT INTO student VALUES (4, '李四',  '许仙家隔壁', '杭州');
INSERT INTO student VALUES (5, '王五',  '李四家隔壁', '杭州');
INSERT INTO student VALUES (6, '赵六',  '赵六家隔壁', '杭州');
INSERT INTO student VALUES (7, '孙七',  '张三家隔壁', '杭州');
INSERT INTO student VALUES (8, '周八',  '雷峰塔附近', '杭州');
INSERT INTO student VALUES (9, '吴九',  '孙七家隔壁', '杭州');
INSERT INTO student VALUES (10, '郑十',  '周八家隔壁', '杭州');
 
SELECT * FROM student WHERE name = '张三' or name = '赵六' ;
SELECT * FROM very_goods;