MySql

MySQL 5.5: Performance and Scalability Unleashed!

 If you get Table xyz is marked as crashed and should be repaired when using LOCK TABLES then you need to run

mysqlcheck --auto-repair --databases <db name> --user=<username> --password=<pwd>
-- or --
mysqlcheck --auto-repair --all-databases --user=<username> --password=<pwd>