After the MySQL database is attacked and tampered with, it uses backup and binlog for data recovery.This article mainly describes how MySQL is attacked and tampered with data, and uses slave database backup and Binlog of the maste
(0.01 sec)Rows matched: 2 Changed: 2 Warnings: 0mysql> select * from db1.t1;+------+------+| id | name |+------+------+| 1 | aaa || 1 | aaa |+------+------+2 rows in set (0.00 sec)4. Emptying data from a tablemysql> truncate TABLE db1.t1;Clear the table query OK,0 rows affected (0. (sec) mysql> select * from Db1.t1; Empty Set (0. XX sec) mysql> desc db1.t1;+-------+----------+------+-----+---------+-------
is very useful for beginners.
After installing the environment, you can directly download mysql workbench from the mysql official website. After installation, open it and you will see the following interface. The first item is for visual SQL editing and query, the second item can be used for visual mysql database
First, the foreword:
When the database server is established, the first thing we need to do is not to consider what MySQL-enabled programs are running on this database-supporting server, but how to recover to the last normal state after the database has been compromised, minimizing the loss of data.
Or, just the esta
I. Preface:
After the database server is set up, the first thing we need to do is not to consider which MySQL-initiated programs should be run on the server that supports the database, but when the database is damaged, how to safely restore to the last normal state, minimizing data loss.
In other words, just the establ
How to configure dual-machine hot backup for MySQL database 1. there is no incremental backup mechanism for mysql database. backup is a big problem when the data volume is too large. Fo
Mysqldump how to remotely back up mysql database mysqldump
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The user who uses mysqldump to back up the database requires a relatively small amount of permissions. only the select and lock table permissions are required. Therefore, users who can create a backup database
Tags: unlock create image technology nod mysql-5.5 POS situation UTF8"Backing up single database-Multiple parameters" syntax: Mysqldump-u username-P database name > backup file name"View the character set of a database" Mysql> Sho
Many users have experienced the loss of valuable data, and as a large amount of data is deposited into the MySQL database, coupled with the erroneous use of the drop Database command, system crashes or edits to the table structure can lead to catastrophic losses. Therefore, it is necessary to make a backup of the
where host like ' 192.168.% ';INSERT into DB1.T1 values (1, ' abc '); InsertUpdate db1.t1 set name= ' AAA ' where id=1; Change a row of a tableDelete dataDelete from db1.t1 where id=1;TRUNCATE TABLE db1.t1; Clear the data table, the table is stilldrop table db1.t1; Delete the table, all the table data is deletedDrop database db1; Deleting a databaseThird, MySQL databas
UbuntuServer MySql database backup script code: UbuntuServerUbuntu
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Note:
Here I want to back up the pw85 database under the/var/lib/MySql database directory to the compressed file format of/home/snapshot (2012_04_11 re
Mysqlndb cluster backup database and restore database methods Mysql Cluster
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At noon, I understood the backup and recovery of the MYSQL Cluster.
Write it down. you don't have to waste time on this issue.
1. back up data
Generally, MySql database backup can be performed in two ways: Exporting SQL statements directly or SQL storage files in other formats that are easy to import, and using SQL statements or some visual clients to export data. This method is very simple.
Generally, MySql database
Basic knowledge of MySQL database backup I. data backup shortcuts
Because this method has not been verified in the official documentation, we call it a test.
Objective: to back up a MySQL database in the hostA host and restore
Use mysqldump of the mysql database to implement automatic backup of mysqldump
Mysql database mysqldump can be used for Database Backup. if crontabs is configured in linux, automatic
(0.00 sec)3. Change the row of the table.mysql> update db1.t1 set name=‘aaa‘ where id=1;Query OK, 2 rows affected (0.01 sec)Rows matched: 2 Changed: 2 Warnings: 0mysql> select * from db1.t1;+------+------+| id | name |+------+------+| 1 | aaa || 1 | aaa |+------+------+2 rows in set (0.00 sec)4. Emptying data from a tablemysql> truncate table db1.t1; //清空表Query OK, 0 rows affected (0.03 sec)mysql> select * from db1.t1;Empty set (0.00 sec
structure are emptied.mysql > drop database db1; Delete DB1 LibraryThird, MySQL database backup recovery#mysqldump-uroot-p123456 mysql >/tmp/mysql.sql//backup MySQL library to/tmp dire
MySQL database under attack tampering (using backup and binlog for data recovery), mysqlbinlog
This article mainly describes how MySQL is attacked and tampered with data, and uses slave database backup and binlog of the master
is a MySQL database backup tool provided by Percona and features:(1) The backup process is fast and reliable;(2) The backup process does not interrupt the executing transaction;(3) Can save disk space and traffic based on functions such as compression;(4) Automatic implemen
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