《Mysql應(yīng)用mysql sql語句總結(jié)》要點(diǎn):
本文介紹了Mysql應(yīng)用mysql sql語句總結(jié),希望對您有用。如果有疑問,可以聯(lián)系我們。
create database mytest default charset=utf8 //創(chuàng)建數(shù)據(jù)庫
create table users //創(chuàng)建表
(
user_id int not null auto_increment,
user_name varchar(20) not null,
description varchar(200),
primary key PK_userid(user_id)
);
show create table users;//查看創(chuàng)建表的sql語句
desc users; //查看表結(jié)構(gòu)
alter table users add(user_age int not null); //添加表字段
insert into users(user_name,description,user_age) values('chen','this is good men.',28); //插入一條數(shù)據(jù)
//查詢數(shù)據(jù)庫
select * from users limit 5; //查詢前5條
SELECT * FROM users LIMIT 6,2; //從弟6條開始,查2條
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