备份一个数据库
mysqldump --user [user name] --password=[password] [database name] > [dump file] or mysqldump -u[user name] -p[password] [database name] > [dump file]
示例:
mysqldump --user root --password=myrootpassword db_test > db_test.sql or mysqldump -uroot -p myrootpassword db_test > db_test.sql
2.备份多个数据库
mysqldump -u[user name] -p[password] [database name 1] [database name 2] .. > [dump file]
示例:
mysqldump --user root --password=myrootpassword db_test db_second db_third > db_test.sql
3.备份所有数据库
mysqldump -u [user name] -p [password] --all-databases > [dump file]
4.备份某个表
mysqldump --user [username] --password=[password] [database name] [table name] /tmp/sugarcrm_accounts_contacts.sql
示例:
mysqldump --user root --password=myrootpassword db_test customers db_test_customers.sql
5.恢复数据库
mysql --u [username] --password=[password] [database name] < [dump file]
示例:
mysql --user root --password=myrootpassword new_db < db_test.sql