MySQL--binlog日志恢复数据
恢复数据的重要命令如下mysql> flush logs; 默认的日志是mysql-bin.000001，现在刷新了重新开启一个就多了一个mysql-bin.000002 ./mysqlbinlog --no-defaults binlog日志名，来查看日志[root@localhost bin]# ./mysqlbinlog --no-defaults ../var/mysql-bin.000001 | more //查看bin-log日志的内容[root@localhost bin]# ./mysqlbinlog --no-defaults ../var/mysql-bin.000001 | ./mysql -uroot -p //恢复mysql-bin.000001日志的内容如果需要从某个点恢复到某个点，用以下操作定位： --start-position 开始点--stop-position 结束点--start-date 开始时间--stop-date 结束时间现在恢复mysql-bin.000002恢复，从134点开始到386结束 [root@localhost bin]# ./mysqlbinlog --no-defaults --start-position 134 --stop-position=386 ../var/mysql-bin.000002 | ./mysql -uroot -p /** mysqlbinlog日志恢复数据实验 ****///查看一下var下面的内容，现在是没有mysql-log.000001类似的binlog日志的[root@localhost var]# lsbrocms ibdata1 ib_logfile1 localhost.pid mysql-bin.indexbrotherblog ib_logfile0 localhost.err mysql test[root@localhost var]# ../bin/mysql -uroot -p //登录数据库mysql> use test; //使用test数据库mysql> flush logs; //刷新binlog日志，新开一个，现在会在var目录下面生成一个mysql-bin.000001的文件，以下的操作都会记录其中 //创建一个表mysql> create table user( -> id int auto_increment primary key, -> username char(30), -> password char(32)) -> engine=myisam default charset=utf8;//插入几条测试数据mysql> insert into user(username,password) values(1,2);mysql> insert into user(username,password) values(1,2);mysql> insert into user(username,password) values(1,2);//新开一个binlog日志，现在会生成一个名为mysql-bin.000002的文件,下面的操作会记录在mysql-bin.000002的文件中 mysql> flush logs;//查询一下内容mysql> select * from user;+----+----------+----------+| id | username | password |+----+----------+----------+| 1 | 1 | 2 || 2 | 1 | 2 || 3 | 1 | 2 |+----+----------+----------+mysql> delete from user; //现在将数据删除mysql> drop table user; //将表删除mysql> select * from user; //查看表里面的内容 mysql> \q[root@localhost var]# lsbrocms ibdata1 ib_logfile1 localhost.pid mysql-bin.000001 mysql-bin.indexbrotherblog ib_logfile0 localhost.err mysql mysql-bin.000002 test[root@localhost var]# ../bin/mysqlbinlog --no-defaults mysql-bin.000001 | more //查看mysql-bin.000001里面的内容[root@localhost var]# ../bin/mysqlbinlog --no-defaults mysql-bin.000002 | more //查看mysql-bin.000002里面的内容[root@localhost var]# ../bin/mysqlbinlog --no-defaults mysql-bin.000001 | ../bin/mysql -uroot -p //用mysql-bin.000001来恢复数据Enter password:[root@localhost var]# ../bin/mysql -uroot -p //进数据库查看mysql> use test;mysql> show tables;+----------------+| Tables_in_test |+----------------+| user |+----------------+1 row in set (0.00 sec) mysql> select * from user; //查看数据，数据回来了+----+----------+----------+| id | username | password |+----+----------+----------+| 1 | 1 | 2 || 2 | 1 | 2 || 3 | 1 | 2 |+----+----------+----------+3 rows in set (0.00 sec) mysql> \q如果需要从某个点恢复到某个点，用以下操作定位： --start-position 开始点--stop-position 结束点--start-date 开始时间--stop-date 结束时间 现在恢复mysql-bin.000002恢复，从134点开始到386结束 [root@localhost bin]# ./mysqlbinlog --no-defaults --start-position 134 --stop-position=386 ../var/mysql-bin.000002 | ./mysql -uroot -p
