How to restore mysql after deletion
Deleted MySQL data recovery method: stop the server (1), back up the data directory (2), log in as super user (3), execute the recovery command in sequence (4), restore the data directory backup (5) , start the server (6).
How to recover deleted MySQL data
Steps to recover deleted data
- Stop the MySQL server.
- Back up the MySQL data directory.
- Start the MySQL server, and log in as super user.
- Run the following command to restore data:
<code>mysql -u root -p USE database_name; PURGE BINARY LOGS BEFORE 'log_name'; STOP SLAVE; CHANGE MASTER TO MASTER_LOG_FILE='', MASTER_LOG_POS=0; RESET SLAVE;</code>
Where:
-
database_name
is the deleted data database name. -
log_name
is the name of the binary log file that is logged before data is deleted.
- Restore the backup of the MySQL data directory.
- Start the MySQL server.
Note:
- This recovery method can only be used if binary logging is enabled.
- After recovery, all data created after deleting the data will be lost.
- If this method cannot be used, you can also try to use third-party tools or contact the database administrator for help.
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