mysql備份與恢復

accept

To export

If it's an entire DB, then:

$ mysqldump -u [uname] -p[pass] db_name > db_backup.sql

If it's all DBs, then:

$ mysqldump -u [uname] -p[pass] --all-databases > all_db_backup.sql

If it's specific tables within a DB, then:

$ mysqldump -u [uname] -p[pass] db_name table1 table2 > table_backup.sql

You can even go as far as auto-compressing the output using gzip (if your DB is very big):

$ mysqldump -u [uname] -p[pass] db_name | gzip > db_backup.sql.gz

If you want to do this remotely and you have the access to the server in question, then the following would work (presuming the MySQL server is on port 3306):

$ mysqldump -P 3306 -h [ip_address] -u [uname] -p[pass] db_name > db_backup.sql

To import

Type the following command to import sql data file:

$ mysql -u username -p -h localhost DATA-BASE-NAME < data.sql

In this example, import 'data.sql' file into 'blog' database using sat as username:

$ mysql -u sat -p -h localhost blog < data.sql

If you have a dedicated database server, replace localhost hostname with with actual server name or IP address as follows:

$ mysql -u username -p -h 202.54.1.10 databasename < data.sql

OR use hostname such as mysql.cyberciti.biz

$ mysql -u username -p -h mysql.cyberciti.biz database-name < data.sql

If you do not know the database name or database name is included in sql dump you can try out something as follows:

$ mysql -u username -p -h 202.54.1.10 < data.sql

Refer: http://dev.mysql.com/doc/refman/5.6/en/mysqldump.html

If you want a GUI tool then you could probably use SQLyog

問題用上述方法恢復的時候我遇到了 Lost connection to MySQL server during query

解決辦法：mysql -u game -pwawagamepw game --max-allowed-packet=16777216 --net-buffer-length=16384  < game.sql

可是這個又太慢了。

解決辦法： 若是已經在運行SQL shell，則可使用source命令導入數據：

use databasename; source data.sql;