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最近跟项目,写后台需要用到SQL语句,就整理了一下mysql建表常用sql语句,并写几个可执行SQL脚本,方便日后复习查看以及使用:

连接:mysql -h主机地址 -u用户名 -p用户密码 (注:u与root可以不用加空格,其它也一样)

断开:exit (回车)

创建授权:grant select on 数据库.* to 用户名@登录主机 identified by "密码"

修改密码:mysqladmin -u用户名 -p旧密码 password 新密码

删除授权: revoke select,insert,update,delete om *.* from test2@localhost;

显示数据库:show databases;

显示数据表:show tables;

显示表结构:describe 表名;

创建库:create database 库名;

删除库:drop database 库名;

使用库(选中库):use 库名;

创建表:create table 表名 (字段设定列表);

删除表:drop table 表名;

修改表:alter table t1 rename t2

查询表:select * from 表名;

清空表:delete from 表名;

备份表: mysqlbinmysqldump -h(ip) -uroot -p(password) databasename tablename > tablename.sql

恢复表: mysqlbinmysql -h(ip) -uroot -p(password) databasename tablename < tablename.sql(操作前先把原来表删除)

增加列:ALTER TABLE t2 ADD c INT UNSIGNED NOT NULL AUTO_INCREMENT,ADD INDEX (c);

修改列:ALTER TABLE t2 MODIFY a TINYINT NOT NULL, CHANGE b c CHAR(20);

删除列:ALTER TABLE t2 DROP COLUMN c;

备份数据库:mysqlbinmysqldump -h(ip) -uroot -p(password) databasename > database.sql

恢复数据库:mysqlbinmysql -h(ip) -uroot -p(password) databasename < database.sql

复制数据库:mysqlbinmysqldump --all-databases > all-databases.sql

修复数据库:mysqlcheck -A -o -uroot -p54safer

文本数据导入: load data local infile "文件名" into table 表名;

数据导入导出:mysqlbinmysqlimport database tables.txt

以下为MySQL的可执行脚本示例:

 

1.创建用户表示例

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 //创建用户表示例   /* Navicat MySQL Data Transfer Source Server   : localhost_1111 Source Server Version : 50717 Source Host   : localhost:1111 Source Database  : maven Target Server Type : MYSQL Target Server Version : 50717 File Encoding   : 65001 Date: 2018-08-15 22:40:44 */   SET FOREIGN_KEY_CHECKS=0;   -- ---------------------------- -- Table structure for user -- ---------------------------- DROP TABLE IF EXISTS `user`; CREATE TABLE `user` (  `pk_id` int(10) NOT NULL AUTO_INCREMENT,  `username` varchar(30) NOT NULL,  `password` char(32) NOT NULL,  `age` int(3) DEFAULT NULL,  `info` varchar(255) CHARACTER SET utf8mb4 DEFAULT NULL,  `createtime` timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,  `modifytime` timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,  `sex` char(1) DEFAULT NULL,  PRIMARY KEY (`pk_id`) ) ENGINE=InnoDB AUTO_INCREMENT=34 DEFA

2.创建公司网站主页栏目示例

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 //某公司网站主页栏目示例   SET FOREIGN_KEY_CHECKS=0; -- ---------------------------- -- Table structure for home -- ---------------------------- DROP TABLE IF EXISTS `home`; CREATE TABLE `home` (  `home_id` int(10) NOT NULL AUTO_INCREMENT,  `profile` longtext comment '企业简介',  `scope` longtext comment '经营范围',  `product` longtext comment '产品介绍',  `cooperate` longtext comment '校企合作',  `extension` longtext comment '其他',    PRIMARY KEY (`home_id`) ) ENGINE=InnoDB AUTO_INCREMENT=34 DEFAULT CHARSET=utf8;

3.创建店铺商品实例

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 //某电商平台店铺商品实例   create database store;          #创建数据库store use store; set names utf8;   drop table if exists goods; create table goods ( id mediumint unsigned not null auto_increment comment 'Id', goods_name varchar(150) not null comment '商品名称', market_price decimal(10,2) not null comment '市场价格', shop_price decimal(10,2) not null comment '本店价格', goods_desc longtext comment '商品描述', is_on_sale enum('是','否') not null default '是' comment '是否上架', is_delete enum('是','否') not null default '否' comment '是否放到回收站', addtime datetime not null comment '添加时间', logo varchar(150) not null default '' comment '原图', sm_logo varchar(150) not null default '' comment '小图', mid_logo varchar(150) not null default '' comment '中图', big_logo varchar(150) not null default '' comment '大图', mbig_logo varchar(150) not null default '' comment '更大图', primary key (id), key shop_price(shop_price), key addtime(addtime), key is_on_sale(is_on_sale) )engine=InnoDB default charset=utf8 comment '商品';   drop table if exists brand; create table brand ( id mediumint unsigned not null auto_increment comment 'Id', brand_name varchar(30) not null comment '品牌名称', site_url varchar(150) not null default '' comment '官方网址', logo varchar(150) not null default '' comment '品牌Logo图片', primary key (id) )engine=InnoDB default charset=utf8 comment '品牌';

4.餐厅点餐菜单示例

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 //餐厅点餐菜单示例   /* SQLyog 企业版 - MySQL GUI v8.14 MySQL - 5.5.27 : Database - db_food ********************************************************************* */     /*!40101 SET NAMES utf8 */;   /*!40101 SET SQL_MODE=''*/;   /*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */; /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; CREATE DATABASE /*!32312 IF NOT EXISTS*/`db_food` /*!40100 DEFAULT CHARACTER SET utf8 */;   USE `db_food`;   /*Table structure for table `goods` */   DROP TABLE IF EXISTS `goods`;   CREATE TABLE `goods` (  `id` int(10) NOT NULL AUTO_INCREMENT,  `goodsName` varchar(100) DEFAULT NULL,  `price` float DEFAULT NULL,  `goodsDesc` varchar(200) DEFAULT NULL,  `imageLink` varchar(500) DEFAULT NULL,  PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=12 DEFAULT CHARSET=utf8;   /*Data for the table `goods` */   insert into `goods`(`id`,`goodsName`,`price`,`goodsDesc`,`imageLink`) values (3,'宫保鸡丁',21,'宫保鸡丁哦','D:我的文档Desktopfood1332059684_58.jpg'),(5,'青椒肉丝',22,'青椒肉丝不好吃','D:我的文档Desktopfood1332059684_58.jpg'),(8,'21',2,'sd cd','D:我的文档Desktopfood1332059994_53.jpg'),(9,'鱼香肉丝',9,'四川风味','D:我的文档Desktopfood1332060047_92.jpg'),(10,'回锅肉',12,NULL,NULL),(11,'热狗肠',32,'说的','D:我的文档Desktopfood1332060176_81.jpg');   /*Table structure for table `order_goods` */   DROP TABLE IF EXISTS `order_goods`;   CREATE TABLE `order_goods` (  `id` int(10) NOT NULL AUTO_INCREMENT,  `orderId` varchar(50) DEFAULT NULL,  `goodsTotalPrice` float DEFAULT NULL,  `goodsId` int(10) DEFAULT NULL,  `goodsPrice` float DEFAULT NULL,  `goodsNum` int(10) DEFAULT NULL,  `goodsName` varchar(100) DEFAULT NULL,  PRIMARY KEY (`id`),  KEY `FK_order_goods_2` (`orderId`),  KEY `FK_order_goods_1` (`goodsId`),  CONSTRAINT `FK_order_goods_1` FOREIGN KEY (`goodsId`) REFERENCES `goods` (`id`),  CONSTRAINT `FK_order_goods_2` FOREIGN KEY (`orderId`) REFERENCES `order_info` (`orderId`) ) ENGINE=InnoDB AUTO_INCREMENT=44 DEFAULT CHARSET=utf8;   /*Data for the table `order_goods` */   insert into `order_goods`(`id`,`orderId`,`goodsTotalPrice`,`goodsId`,`goodsPrice`,`goodsNum`,`goodsName`) values (23,'20130708001514',12,10,12,1,'回锅肉'),(28,'20130708021437',12,10,12,1,'回锅肉'),(31,'20130708110510',22,5,22,1,'青椒肉丝'),(32,'20130708110510',9,9,9,1,'鱼香肉丝'),(33,'20130708110513',12,10,12,1,'回锅肉'),(34,'20130708110513',32,11,32,1,'热狗肠'),(39,'20130708115503',2,8,2,1,'21'),(40,'20130708115508',12,10,12,1,'回锅肉'),(41,'20130708115508',32,11,32,1,'热狗肠'),(42,'20130708115512',22,5,22,1,'青椒肉丝'),(43,'20130708121456',9,9,9,1,'鱼香肉丝');   /*Table structure for table `order_info` */   DROP TABLE IF EXISTS `order_info`;   CREATE TABLE `order_info` (  `orderId` varchar(50) NOT NULL,  `orderStatus` int(10) DEFAULT NULL,  `orderNum` int(10) DEFAULT NULL,  `orderTotalMoney` float DEFAULT NULL,  `userName` varchar(100) DEFAULT NULL,  PRIMARY KEY (`orderId`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;   /*Data for the table `order_info` */   insert into `order_info`(`orderId`,`orderStatus`,`orderNum`,`orderTotalMoney`,`userName`) values ('20130708001514',3,1,12,'admin1'),('20130708021437',1,1,12,'admin1'),('20130708110510',2,2,31,'aaa'),('20130708110513',3,2,44,'aaa'),('20130708115503',1,1,2,'admin1'),('20130708115508',4,2,44,'admin1'),('20130708115512',3,1,22,'admin1'),('20130708121456',4,1,9,'admin1');   /*Table structure for table `user` */   DROP TABLE IF EXISTS `user`;   CREATE TABLE `user` (  `id` int(10) NOT NULL AUTO_INCREMENT,  `userName` varchar(100) DEFAULT NULL,  `password` varchar(50) DEFAULT NULL,  `email` varchar(200) DEFAULT NULL,  `rank` int(1) DEFAULT '0',  PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8;   /*Data for the table `user` */   insert into `user`(`id`,`userName`,`password`,`email`,`rank`) values (1,'admin','123',NULL,1),(8,'aaa','123','ad@1.com',0),(9,'admin1','123',NULL,0);   /*!40101 SET SQL_MODE=@OLD_SQL_MODE */; /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */; /*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */; /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;

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原文链接:https://blog.csdn.net/Will_cruise/article/details/89415258