The MySQL database one among the the most used database engines in the modern world. The reasons behind this are - apart from being an open sourced database - its scalability, flexibility, high availability, capability to carry out robust transactions, and so on. However, sometimes a MySQL data can get corrupt and inaccessible. At times, a person first try to open a database table, it ceases to do so. This may occur if the database that you will be trying to access is corrupt. In such situations, you should try consider appropriate measures to Repair MySQL Database. However, for anyone who is unable to do so, then you should consider using a third-party MySQL repair tool to recover MySQL data base.
Consider a scenario wherein you try to open an InnoDB table are usually unable to do certainly. An error message is displayed, that is:
'#1051 - Unknown table table_name'
The cause for this error message is that the InnoDB table may already have corrupt associated with various reasons such as virus infection, human error, abrupt system shutdown when the database is open, and. When an InnoDB table fails, the entire database will not start. MySQL will exit and an entire database is offline.
To resolve this error and to get the database again, you'll want to repair MySQL database by performing the next steps:
Add the following line to the /etc/my.cnf configuration file:
innodb_force_recovery = 4
Restart Mysql database. The database will start but with innodb_force_recovery all of the Insert and update operations become ignored.
Dump all of the tables.
Exit database and take off the data service.
Run mysql_install_db to create MySQL default tables.
Remove the innodb_force_recovery line from the /etc/my.cnf configuration file and restart the database.
Restore the backup.
However, if you're not able to resolve the issue even after performing these method anyone then should make use of a third-party MySQL recovery tool to MySQL Repair. Such read-only tools are place recover MySQL database using fast yet sophisticated scanning algorithms.
MySQL Database Recovery is often a MySQL recovery tool permits you necessary repairs MySQL system. It is able to repair MySQL databases built in MyISAM and InnoDB database engines. This MySQL repair tool is just about to recover MySQL database components such as tables, views, etc. May perhaps repair various MySQL files such as .ibdata, -.ibd, .frm, .myd, .myi, and have.frm created in MySQL 4.x or 5.x designs. It is compatible with Windows 7, Vista, Server 2003, XP, and 2000.