1:
启动或关闭mysql服务:service mysqld start,service mysqld stop(或/etc/init.d/mysqld start,/etc/init.d/mysqld stop)2: 修改mysql密码:mysql_secure_installation或mysqladmin -u用户名 -p旧密码 password 新密码3: 显示MySQL版本信息:select version();4: 显示MySQL日期信息:select current_date();5: 显示MySQL库:show databases;6: 创建数据库:create database fuckTable character set utf8 collate=utf8_general_ci;7: 删除数据库:drop database fuckTable;8: 切换数据库:use fuckTable;9: 连接mysql:mysql -u用户名 -p10: 退出mysql界面:quit或ctrl+c;11: 显示数据表:show tables;12: 创建数据表:create table fuckTable( fuckId int(10) unsigned not null auto_increment, fuckName varchar(255) null, fuckText char(100) default '-', primary key(`fuckId`) )engine=innodb default charset=utf8 collate=utf8_general_ci;13: 为表添加字段:alter table fuckTable add column `fuckColumn` decimal(10,2) default 0 after fuckText;14: 修改字段:alter table fuckTable `fuckColumn` `fuckColumn` decimal(8,2) default 0 comment 'yourSister';15: 创建FK:create table yourSisterTable( ystId int(10) not null auto_increment, upupFuckId int(10) not null, primary key(`ystId`), constraint upupFuckId_FK foreign key(upupFuckId) references fuckTable(fuckId) )engine=innodb default charset=utf8 collate=utf8_general_ci;16: 删除数据表:drop table fuckTable;17: 显示创建数据库的信息:show create database fuckDB;18: 显示创建数据表的信息:show create table fuckTable;19: 显示数据表信息:desc fuckTable 或 show columns from fuckTable;20: 数据表添加主键:alter table fuckTable add primary key(`fuckId`,`fuckxx`);21: 数据表添加唯一索引:alter table fuckTable add unique `fuckUnique` (`fuckName`,`fuckxx`); 22: 数据表添加普通索引:alter table fuckTable add index `fuckIndex` (`fuckText`,`fuckxx`);23: 删除主键:alter table fuckTable drop primary key(`fuckId`);24: 删除唯一索引:alter table fuckTable drop unique `fuckUnique` (`fuckName`);25: 删除普通索引:alter table fuckTable drop index `fuckIndex` (`fuckText`);26: 删除字段:alter table fuckTable drop fuckText;27: 修改数据表名:alter table fuckTable rename to yourSisterTable;28: 导出数据库(此时在mysql command line外面操作): mysqldump -u用户名 -p密码 --no-data fuckDB > fuckDB.sql(此时导出的是数据库的结构,无数据) mysqldump -u用户名 -p密码 fuckDB > fuckDB.sql(此时导出的是数据库的结构,包含表的数据)29: 导出数据表(此时在mysql command line外面操作): mysqldump -u用户名 -p密码 --no-data fuckDB fuckTable > fuckTable.sql(此时导出的是数据表的结构,无数据) mysqldump -u用户名 -p密码 fuckDB fuckTable > fuckTable.sql(此时导出的是数据表的结构,包含表的数据)30: 导入数据库(此时在mysql command line外面操作): mysql -uroot -p123456 fuckDB < fuckDB.sql31: 导入数据:source /root/upload/fuckDB.sql 32: mysql分区:create table fuckTable( id int(10) unsigned not null auto_increment, addTime int(10) unsiged not null, title varchar(255) not null, content text, primary key(`id`), key `addTime` (`addTime`) )engine=innodb default charset=utf8 collate=utf8_general_ci partition by range(id) ( partition p0 values less than (3), partition p1 values less than (6), partition p2 values less than maxvalue ) 33: 查看分区信息:select * from information_schema.partitions where table_name='fuckTable' 34: 显示mysql可用的变量:show variables 35: mysql授权:grant all on *.* to 'fuckLoginName'@'%' identified by 'fuckPassword' 36: 复制表结构:create table t2 like t1;37: 复制表数据 insert into t2 select field1,field2 from t1;38: 修改字段属性:alter table fuckTable change `field` `field` int(10);39: 创建视图:create view viewTable(field1,field2,field3) as select a.field1,a.field2,b.field3 from a,b;40: 删除视图:drop view viewTable;
41: mysql预处理语句:
prepare statementName from "select * from fuckTable where id > ?";set @i=3;execute statementName using @i;42: 删除预处理语句:drop prepare statementName;
43: auto_increment重拍:alter table fuckTable auto_increment=1;
44: 存储:
delimiter // create proceduce pFuck() begin set @i=1; while @i < 100 do insert into fuckTable values (concate('test',@i)); set @i=@i+1; end while; end //45: 触发器:
delimiter // create trigger tFuck before update on fuckTable for each row begin update fuck2Table set title=new.title where title=old.title; end //