MySQL常見SQL語句使用方法總結

CREATE USER 'root'@'%' IDENTIFIED BY 'password';

grant create,select,update,insert,delete,alter on bbs.* to lvtao@localhost identified by 'password';

Grant all privileges on *.* to 'root'@'%' identified by 'password' with grant option;

GRANT SELECT,RELOAD,SHOW DATABASES,LOCK TABLES,EVENT,REPLICATION CLIENT  ON *.* TO 'bak'@'localhost' IDENTIFIED BY 'password';

mysqldump -u root -p --all-databases --ignore-database=performance_schema --ignore-database=information_schema --skip-lock-tables > /home/db.sql

mysqldump -u root -p -d –add-drop-table database >/home/db.sql

A:常用source 命令
进入mysql数据库控制台，
如mysql -u root -p
mysql>use 数据库
然后使用source命令，后面参数为脚本文件(如这里用到的.sql)
mysql>source wcnc_db.sql

B:使用mysqldump命令
mysqldump -u username -p dbname < filename.sql

C:使用mysql命令
mysql -u username -p -D dbname < filename.sql

create database <数据库名>;

show databases;

drop database <数据库名>;

use <数据库名>;

select database();

show tables;

create table <表名> ( <字段名1> <类型1> [,..<字段名n> <类型n>]);

mysql> create table MyClass(
> id int(4) not null primary key auto_increment,
> name char(20) not null,
> sex int(4) not null default &#39;0&#39;,
> degree double(16,2));

desc 表名，或者show columns from 表名

mysql>DESCRIBE MyClass;
mysql>desc MyClass; 
mysql>show columns from MyClass;

drop table <表名>

mysql> drop table MyClass;

insert into <表名> [( <字段名1>[,..<字段名n > ])] values ( 值1 )[, ( 值n )]

mysql> insert into MyClass values(1,&#39;Tom&#39;,96.45),(2,&#39;Joan&#39;,82.99), (2,&#39;Wang&#39;, 96.59);