MySQL database backup and restore

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)