一、备份数据库

----清空一下日志
mysql> reset master;
Query OK, 0 rows affected (0.02 sec)
----查看一下echo表的存储引擎
mysql> show table status like 'echo' \G;
*************************** 1. row ***************************
Name: echo
Engine: InnoDB
Version: 10
Row_format: Compact
Rows: 3
Avg_row_length: 5461
Data_length: 16384
Max_data_length: 0
Index_length: 0
Data_free: 94371840
Auto_increment: NULL
Create_time: 2013-09-23 16:45:31
Update_time: NULL
Check_time: NULL
Collation: utf8_general_ci
Checksum: NULL
Create_options:
Comment:
1 row in set (0.00 sec) ERROR:
No query specified
----开始备份
[root@rhel5 dump]# mysqldump -u root -p --skip-opt --quick --extended-insert=false --single-transaction --master-data=2 --databases jack > /mysql/mysql5.5/dump/echo.sql Enter password:
[root@rhel5 dump]# ll
总计 4
-rw-r--r-- 1 root root 1558 09-23 21:47 echo.sql
---查看备份出来的sql
[root@rhel5 dump]# more echo.sql
-- MySQL dump 10.13 Distrib 5.5.22, for Linux (i686)
--
-- Host: localhost Database: jack
-- ------------------------------------------------------
-- Server version 5.5.22-log
/*!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 */; --
-- Position to start replication or point-in-time recovery from
-- -- CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=107; --
-- Current Database: `jack`
-- CREATE DATABASE /*!32312 IF NOT EXISTS*/ `jack` /*!40100 DEFAULT CHARACTER SET utf8 */; USE `jack`; --
-- Table structure for table `echo`
-- /*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `echo` (
`id` int(11) DEFAULT NULL,
`msg` varchar(100) DEFAULT NULL
);
/*!40101 SET character_set_client = @saved_cs_client */; --
-- Dumping data for table `echo`
-- INSERT INTO `echo` VALUES (1,'aaa');
INSERT INTO `echo` VALUES (1,'bbb');
INSERT INTO `echo` VALUES (1,'人');
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */; /*!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 */; -- Dump completed on 2013-09-23 21:47:55

二、对表进行修改,然后删除

----插入一下内容
mysql> insert into echo values(4,'ccc');
Query OK, 1 row affected (0.02 sec) mysql> insert into echo values(5,'ddd');
Query OK, 1 row affected (0.01 sec) mysql> select * from echo;
+------+------+
| id | msg |
+------+------+
| 1 | aaa |
| 1 | bbb |
| 1 | 人 |
| 4 | ccc |
| 5 | ddd |
+------+------+
5 rows in set (0.00 sec) mysql> drop table echo;
Query OK, 0 rows affected (0.02 sec) mysql> select * from echo;
ERROR 1146 (42S02): Table 'jack.echo' doesn't exist

三、查看表删除的位置

mysql> show binary logs;
+------------------+-----------+
| Log_name | File_size |
+------------------+-----------+
| mysql-bin.000001 | 593 |
+------------------+-----------+
1 row in set (0.00 sec) mysql> flush logs;
Query OK, 0 rows affected (0.01 sec) mysql> show binlog events;
+------------------+-----+-------------+-----------+-------------+---------------------------------------------------------+
| Log_name | Pos | Event_type | Server_id | End_log_pos | Info |
+------------------+-----+-------------+-----------+-------------+---------------------------------------------------------+
| mysql-bin.000001 | 4 | Format_desc | 1 | 107 | Server ver: 5.5.22-log, Binlog ver: 4 |
| mysql-bin.000001 | 107 | Query | 1 | 175 | BEGIN |
| mysql-bin.000001 | 175 | Query | 1 | 270 | use `jack`; insert into echo values(4,'ccc') |
| mysql-bin.000001 | 270 | Xid | 1 | 297 | COMMIT /* xid=176 */ |
| mysql-bin.000001 | 297 | Query | 1 | 365 | BEGIN |
| mysql-bin.000001 | 365 | Query | 1 | 460 | use `jack`; insert into echo values(5,'ddd') |
| mysql-bin.000001 | 460 | Xid | 1 | 487 | COMMIT /* xid=177 */ |
| mysql-bin.000001 | 487 | Query | 1 | 593 | use `jack`; DROP TABLE `echo` /* generated by server */ |
| mysql-bin.000001 | 593 | Rotate | 1 | 636 | mysql-bin.000002;pos=4 |
+------------------+-----+-------------+-----------+-------------+---------------------------------------------------------+
9 rows in set (0.00 sec)
----从上面可以看出drop table 是在487----
mysql> show binary logs;
+------------------+-----------+
| Log_name | File_size |
+------------------+-----------+
| mysql-bin.000001 | 636 |
| mysql-bin.000002 | 107 |
+------------------+-----------+
2 rows in set (0.00 sec) mysql> show binlog events in 'mysql-bin.000001' \G;
*************************** 1. row ***************************
Log_name: mysql-bin.000001
Pos: 4
Event_type: Format_desc
Server_id: 1
End_log_pos: 107
Info: Server ver: 5.5.22-log, Binlog ver: 4
*************************** 2. row ***************************
Log_name: mysql-bin.000001
Pos: 107
Event_type: Query
Server_id: 1
End_log_pos: 175
Info: BEGIN
*************************** 3. row ***************************
Log_name: mysql-bin.000001
Pos: 175
Event_type: Query
Server_id: 1
End_log_pos: 270
Info: use `jack`; insert into echo values(4,'ccc')
*************************** 4. row ***************************
Log_name: mysql-bin.000001
Pos: 270
Event_type: Xid
Server_id: 1
End_log_pos: 297
Info: COMMIT /* xid=176 */
*************************** 5. row ***************************
Log_name: mysql-bin.000001
Pos: 297
Event_type: Query
Server_id: 1
End_log_pos: 365
Info: BEGIN
*************************** 6. row ***************************
Log_name: mysql-bin.000001
Pos: 365
Event_type: Query
Server_id: 1
End_log_pos: 460
Info: use `jack`; insert into echo values(5,'ddd')
*************************** 7. row ***************************
Log_name: mysql-bin.000001
Pos: 460
Event_type: Xid
Server_id: 1
End_log_pos: 487
Info: COMMIT /* xid=177 */
*************************** 8. row ***************************
Log_name: mysql-bin.000001
Pos: 487
Event_type: Query
Server_id: 1
End_log_pos: 593
Info: use `jack`; DROP TABLE `echo` /* generated by server */
*************************** 9. row ***************************
Log_name: mysql-bin.000001
Pos: 593
Event_type: Rotate
Server_id: 1
End_log_pos: 636
Info: mysql-bin.000002;pos=4
9 rows in set (0.00 sec) ERROR:
No query specified

四、查看备份的位置

[root@rhel5 dump]# more echo.sql
-- MySQL dump 10.13 Distrib 5.5.22, for Linux (i686)
--
-- Host: localhost Database: jack
-- ------------------------------------------------------
-- Server version 5.5.22-log
/*!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 */; --
-- Position to start replication or point-in-time recovery from
-- -- CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=107; --
-- Current Database: `jack`
-- CREATE DATABASE /*!32312 IF NOT EXISTS*/ `jack` /*!40100 DEFAULT CHARACTER SET utf8 */; USE `jack`; --
-- Table structure for table `echo`
-- /*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `echo` (
`id` int(11) DEFAULT NULL,
`msg` varchar(100) DEFAULT NULL
);
/*!40101 SET character_set_client = @saved_cs_client */; --
-- Dumping data for table `echo`
-- INSERT INTO `echo` VALUES (1,'aaa');
INSERT INTO `echo` VALUES (1,'bbb');
INSERT INTO `echo` VALUES (1,'人');
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */; /*!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 */; -- Dump completed on 2013-09-23 21:47:55 [root@rhel5 dump]# grep "CHANGE MASTER" ./echo.sql
-- CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=107;

五、还原数据库

mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| jack |
| mysql |
| performance_schema |
| test |
+--------------------+
5 rows in set (0.01 sec)
----因为没有测试库,所以只能把jack数据库给删除掉
mysql> drop database jack;
Query OK, 0 rows affected (0.02 sec)
----还原数据库
[root@rhel5 dump]# mysql -u root -p < ./echo.sql
Enter password: mysql> use jack
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A Database changed
mysql> show tables;
+----------------+
| Tables_in_jack |
+----------------+
| echo |
+----------------+
1 row in set (0.00 sec)
---已经还原到表被修改之前
mysql> select * from echo;
+------+------+
| id | msg |
+------+------+
| 1 | aaa |
| 1 | bbb |
| 1 | 人 |
+------+------+
3 rows in set (0.01 sec) mysql> show binary logs;
+------------------+-----------+
| Log_name | File_size |
+------------------+-----------+
| mysql-bin.000001 | 636 |
| mysql-bin.000002 | 1065 |
+------------------+-----------+
2 rows in set (0.00 sec) mysql> show binlog events in 'mysql-bin.000002';
+------------------+------+-------------+-----------+-------------+----------------------------------------------------------------------------------------------------+
| Log_name | Pos | Event_type | Server_id | End_log_pos | Info |
+------------------+------+-------------+-----------+-------------+----------------------------------------------------------------------------------------------------+
| mysql-bin.000002 | 4 | Format_desc | 1 | 107 | Server ver: 5.5.22-log, Binlog ver: 4 |
| mysql-bin.000002 | 107 | Query | 1 | 188 | drop database jack |
| mysql-bin.000002 | 188 | Query | 1 | 337 | CREATE DATABASE /*!32312 IF NOT EXISTS*/ `jack` /*!40100 DEFAULT CHARACTER SET utf8 */ |
| mysql-bin.000002 | 337 | Query | 1 | 486 | use `jack`; CREATE TABLE `echo` ( `id` int(11) DEFAULT NULL,
`msg` varchar(100) DEFAULT NULL
) |
| mysql-bin.000002 | 486 | Query | 1 | 554 | BEGIN |
| mysql-bin.000002 | 554 | Query | 1 | 652 | use `jack`; INSERT INTO `echo` VALUES (1,'aaa') |
| mysql-bin.000002 | 652 | Xid | 1 | 679 | COMMIT /* xid=206 */ |
| mysql-bin.000002 | 679 | Query | 1 | 747 | BEGIN |
| mysql-bin.000002 | 747 | Query | 1 | 845 | use `jack`; INSERT INTO `echo` VALUES (1,'bbb') |
| mysql-bin.000002 | 845 | Xid | 1 | 872 | COMMIT /* xid=207 */ |
| mysql-bin.000002 | 872 | Query | 1 | 940 | BEGIN |
| mysql-bin.000002 | 940 | Query | 1 | 1038 | use `jack`; INSERT INTO `echo` VALUES (1,'人') |
| mysql-bin.000002 | 1038 | Xid | 1 | 1065 | COMMIT /* xid=208 */ |
+------------------+------+-------------+-----------+-------------+----------------------------------------------------------------------------------------------------+
13 rows in set (0.00 sec)

六、恢复数据库

[root@rhel5 data]# mysqlbinlog -u root -p --start-position=107 --stop-position=487 -vv ./mysql-bin.000001 | mysql -u root -p
Enter password: Enter password:
123456 mysql> select * from echo;
+------+------+
| id | msg |
+------+------+
| 1 | aaa |
| 1 | bbb |
| 1 | 人 |
| 4 | ccc |
| 5 | ddd |
+------+------+
5 rows in set (0.00 sec)

Mysql备份与还原实例的更多相关文章

  1. mysql 利用binlog增量备份,还原实例

    mysql 利用binlog增量备份,还原实例 张映 发表于 2010-09-29 分类目录: mysql 标签:binlog, mysql, mysqldump, 增量备份 一,什么是增量备份 增量 ...

  2. MySQL备份与还原详细过程示例

    MySQL备份与还原详细过程示例 一.MySQL备份类型 1.热备份.温备份.冷备份 (根据服务器状态) 热备份:读.写不受影响: 温备份:仅可以执行读操作: 冷备份:离线备份:读.写操作均中止: 2 ...

  3. MySQL备份和还原数据

    MySQL备份和还原数据 导出整个数据库 mysqldump -uroot -p database_name > db_backup.sql 导入整个数据库 mysql -uroot -p da ...

  4. MySQL 备份与还原详解

    相关阅读: MySQL备份和恢复具体实施 http://www.linuxidc.com/Linux/2012-12/76257.htm MySQL备份与恢复的三种方法总结 http://www.li ...

  5. mysql 备份与还原

    http://dev.yesky.com/281/35291281.shtml 每一种逻辑错误发生的概率都极低,但是当多种可能性叠加的时候,小概率事件就 放大成很大的安全隐患,这时候备份的必要性就凸显 ...

  6. mysql备份与还原-mysqldump备份、mysql与source还原

    以下都以在linux操作系统上的mysql为例 mysqldump备份 mysqldump实际就是将数据库中的数据转化为建库.建表和插入记录的sql语句 1.备份一个数据库 [或其中几个表],不指定表 ...

  7. mysql备份和还原命令

    备份和还原数据库都是在未登录的前提下进行命令操作的: 1.备份表: mysqldump -u root -p dbname table1 table2 > D:\sqlback.sql 2.备份 ...

  8. MYSQL进阶学习笔记十八:MySQL备份和还原!(视频序号:进阶_37)

    知识点十九:MySQL的备份的还原(38) 一.mysql的备份 1.通过使用mysqldump的命令备份 使用mysqldump命令备份,mysqldump命令将数据库中的数据备份成一个文本文件.表 ...

  9. mysql备份及还原

    mysql怎样复制数据库?或者说,将数据库拷贝到另外一台机? 按照我的理解,复制数据库,如果是: 1.直接拷贝数据库文件,应该先停数据服务,否则拷不出来.但是,生产机器,哪能说停就停呢? 2.在线拷贝 ...

随机推荐

  1. window.open被浏览器拦截的解决方案

    现象 最近在做项目的时候碰到了使用window.open被浏览器拦截的情况,搞得人无比郁闷啊,虽然在自己的环境可以对页面进行放行,但是对用户来说,不能要求用户都来通过拦截.何况当出现拦截时,很多小白根 ...

  2. Java Map操作

    Map:键必须是唯一 同步方法:Map m = Collections.synchronizedMap(new TreeMap(...)); Hashtable:基于散列表的实现 允许空键空值 线程安 ...

  3. MongoDB Map Reduce

    介绍 Map-Reduce是一种计算模型,简单的说就是将大批量的工作分解(MAP)执行,然后再将结果合并成最终结果(REDUCE). MongoDB提供的Map-Reduce非常灵活,对于大规模数据分 ...

  4. java版本的sqlHelper

    以下版本的sqlHelper可以支持普通的DDL,DML和查询语句,对于连接池,事务等的支持还有待改进 1)将数据库连接相关信息存储为属性文件,如database.properties,建立DataB ...

  5. 转:DLL教程

    首先:DLL技术是针对C的技术,虽然也支持C++,但是对C++的支持不够好.C++对应的是COM技术. 建议首先看一下Programming  Windows的21章,虽然没有讲MFC如何制作DLL, ...

  6. 使用awk统计字段重复实践

    awk awk是一种规格化文件的分析工具, 主要处理对象类似数据库导出的条目文本文件, 其中一行,就对应一个记录,每个记录包含若干个字段. 类似这种文本: [root@www ~]# last -n ...

  7. 查看oracle数据库中的保留字

    SQL> select * from v$reserved_words;

  8. [Intellij IDEA]File size exceeds configured limit(2560000). Code insight features are not available

    在使用 IDEA, 发现一个问题File size exceeds configured limit (2560000). Code insight features not available.

  9. zip格式jdk在Linux环境下的安装过程

    1下载jdk [root@localhost opt]# cd soft_bak/[root@localhost soft_bak]# lsjdk1.7.0_25.zip postgresql-9.4 ...

  10. Array.prototype.each

    Array.prototype.each = function(closure){ //递归合并 return this.length ? [closure(this.slice(0,1))].con ...