MySQL database backup and restore

Source: Internet
Author: User
Tags import database mysql backup mysql command line

MySQL backup and restore is done using the mysqldump, MySQL, and source commands.

Backup and restore of MySQL under 1.Linux

1.1 Backup

[[email protected] ~]# cd/var/lib/mysql (go to MySQL library directory, adjust the directory according to your MySQL installation situation)

[[email protected] mysql]# mysqldump-u root-p voice>voice.sql, enter the password.

1.2 Restore

Law One:

[[email protected] ~]# mysql-u root-p return, enter the password, enter the MySQL console "mysql>", with 1.2 restore.

Law II:

[[email protected] ~]# cd/var/lib/mysql (go to MySQL library directory, adjust the directory according to your MySQL installation situation)

[[email protected] mysql]# mysql-u root-p voice<voice.sql, enter the password.

Backup and restore of MySQL under 2.win32

2.1 Backup

Start Menu | Run | cmd | Enter the Bin folder with the "CD \program Files\mysql\mysql Server 5.0\bin" command | Use "Mysqldump-u user name-p databasename >exportfilename" to export the database to a file, such as Mysqldump-u root-p voice>voice.sql, and then enter the password to start the export.

2.2 Restore

Enter MySQL command line Client, enter the password, enter the "mysql>", enter the command "show databases;", enter to see what database; Create the database you want to restore, enter the Voice; ", enter; switch to the newly created database, enter" use voice; ", carriage return, import data, enter" source voice.sql; ", carriage return, start import," mysql> "again, and the restore succeeds without prompting the error.

mysql command line export database :

1. Go to the Bin folder in the MySQL directory: cd MySQL to the Bin folder directory

As I entered the command line: CD C:\Program files\mysql\mysql Server 4.1\bin

(or add the directory to the Windows environment variable path directly)

2, Export database: Mysqldump-u user name-p database name > exported file name

As I entered the command line: Mysqldump-u root-p News > News.sql (input will let you enter the password into MySQL)

(If you export a single table, enter the table name after the database name)

3, you will see the file News.sql automatically generated into the bin file

Command line Import Database:

1, move the. sql file to be imported into the bin file, such a path is more convenient

2, the 1th step with the above export

3, enter mysql:mysql-u user name-P

As I entered the command line: mysql-u root-p (Input the same will let you enter the MySQL password)

4, create the database you want to build in Mysql-front, this is an empty database, such as a new target database named News

5, Input: Mysql>use target database name

As I entered the command line: Mysql>use news;

6, import file: mysql>source import filename;

As I entered the command line: Mysql>source news.sql;

MySQL database backup and restore (GO)

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