中小型mysql数据库的备份与恢复

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备份到桌面

cd /home/chichung/Desktop  # 切换到桌面
mysqldump -u root -p db_jingdong>jd.sql  # 重定向写入

jd.sql里面是什么东西呢？我们打开看看

-- MySQL dump 10.13  Distrib 5.7.23, for Linux (x86_64)
--
-- Host: localhost    Database: db_jingdong
-- ------------------------------------------------------
-- Server version    5.7.23-0ubuntu0.16.04.1

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!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 */;

--
-- Table structure for table `goods`
--

DROP TABLE IF EXISTS `goods`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `goods` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(150) NOT NULL,
  `cate_id` int(10) unsigned NOT NULL,
  `brand_name` varchar(40) NOT NULL,
  `price` decimal(10,3) NOT NULL DEFAULT '0.000',
  `is_show` bit(1) NOT NULL DEFAULT b'1',
  `is_saleoff` bit(1) NOT NULL DEFAULT b'0',
  PRIMARY KEY (`id`),
  KEY `cate_id` (`cate_id`),
  CONSTRAINT `goods_ibfk_1` FOREIGN KEY (`cate_id`) REFERENCES `goods_cates` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=22 DEFAULT CHARSET=utf8;
/*!40101 SET character_set_client = @saved_cs_client */;

--
-- Dumping data for table `goods`
--

LOCK TABLES `goods` WRITE;
/*!40000 ALTER TABLE `goods` DISABLE KEYS */;
INSERT INTO `goods` VALUES (1,'r510vc 15.6英寸笔记本',1,'华硕',3399.000,_binary '',_binary '

中小型mysql数据库的备份与恢复

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