MySQL database corruption normally occurs due to hardware failure, out of space problem, login failure, power failure, and many more. A database administrator can check the level of corruption by mysqlcheck program. MySQLcheck is a table maintenance program offered by MySQL to check and repair MySQL table corruption. It performs several other operations apart from check & repair like; to analyze and optimize table. Table maintenance program (mysqlcheck) can be time consuming; especially for the large table because when you run this program on the database then it thoroughly check and analyze all the tables in the database and tries to repair all errors.