Mysql命令学习

1. CREATE DATABASE dbname;

2. DROP DATABASE dbname;

3. GRANT ALL PRIVILEGES ON dbname.* TO 'username'@'localhost' IDENTIFIED BY 'usercode';

4. USE dbname;

5. CREATE TABLE tablename (name type width isempty primarykey auto_increment default);

6. DROP TABLE tablename;

7. INSERT INTO tablename [( <name1>[,..<namen > ])] Values ( value1 )[, ( value2 )]

8. DELETE  FROM tablename where id =1;

9. UPDATE tablename set name= newvalue WHERE conditon;

10. auto_increment: 自动编号,从最后一行数据开始,int类型加1;

11. default '数据' 在使用INSERT命令时,如果需要使用default值时,必须保证键值对应。

posted @ 2018-11-09 10:54  adminyzz  阅读(100)  评论(0编辑  收藏  举报