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前面一篇:
给诸位介绍了如何利用shell脚本,
完成mysql数据库表的批量导出。
问题来了,如何再批量导入呢?
今天揭晓答案!
解决方案
演示工具:Centos7.9 + MobaXterm
直接动手写脚本:
#!/bin/bash
#1,mysql info
MYSQL_HOST=192.168.10.102
MYSQL_PORT=3306
MYSQL_USER=root
MYSQL_PASSWORD=000000
#2,dir
SQL_DIR="mysql-export"
#3, execute
for file in "$SQL_DIR"/*.sql ;do
#4, get db name
db_name=$(basename $file .sql)
echo "Creating databases: $db_name ..."
#5, create database
mysql -u"$MYSQL_USER" -P"$MYSQL_PORT" -p"$MYSQL_PASSWORD" -h"$MYSQL_HOST" -e "create database if not exists $db_name CHARACTER SET 'utf8mb4' COLLATE 'utf8mb4_general_ci';"
#6,create table
echo "Creating table and import data..."
mysql -u"$MYSQL_USER" -P"$MYSQL_PORT" -p"$MYSQL_PASSWORD" -h"$MYSQL_HOST" "$db_name" < "$file"
done
下面演示如何使用该工具脚本:
1,查看MySQL数据库原始状况
[jack@hadoop102 ~]$ mysql -uroot -p
mysql> show databases;

2,查看导出数据SQL脚本
[jack@hadoop102 mysql-export]$ cat work_import.sql
-- MySQL dump 10.13 Distrib 8.0.31, for Linux (x86_64)
--
-- Host: 127.0.0.1 Database: work
-- ------------------------------------------------------
-- Server version 8.0.31
/*!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 */;
/*!50503 SET NAMES utf8mb4 */;
/*!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 `course`
--
DROP TABLE IF EXISTS `course`;
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!50503 SET character_set_client = utf8mb4 */;
CREATE TABLE `course` (
`c_id` int NOT NULL AUTO_INCREMENT COMMENT '编号',
`c_name` varchar(20) DEFAULT NULL COMMENT '名称',
`t_id` varchar(20) DEFAULT NULL COMMENT '教师编号',
PRIMARY KEY (`c_id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='课程表';
/*!40101 SET character_set_client = @saved_cs_client */;
--
-- Dumping data for table `course`
--
LOCK TABLES `course` WRITE;
/*!40000 ALTER TABLE `course` DISABLE KEYS */;
INSERT INTO `course` VALUES (1,'语文','2'),(2,'数学','1'),(3,'英语','3');
/*!40000 ALTER TABLE `course` ENABLE KEYS */;
UNLOCK TABLES;
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
-- Dump completed on 2024-09-20 17:23:14
3,执行导入
[jack@hadoop102 shell-demo]$ sh mysql_import.sh

4,查看数据库情况
mysql> show databases;
mysql> use work_import;
mysql> show tables;

可以看到,数据已经成功导入Mysql了!
OK,这就是本期的内容了,下期再见!
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