| Normal 0 false false false MicrosoftInternetExplorer4 | | | | -u {USERNAME} {DATABASE} [TABLE] command |
| MySQL Server organizes its data files as a single unit | | | | to check the consistency of the database table. |
| and their locations are allocated as per database | | | | Where, DATABASE and TABLE refers to the name |
| instance. All MySQL instance data files are located in a | | | | of specific database and table, respectively. |
| single file system directory, usually called Data. These | | | | Cause |
| data files hold records. But sometimes, MySQL Server | | | | MyISAM database table is corrupted. The most |
| reports errors that it has found a key at a page which | | | | probable reason for this error to occur is unexpected |
| references a record lying outside the data file. Such | | | | shutdown. Another possibility is that database is |
| kinds of errors generally indicate the specific table is | | | | opened at various users’ ends. |
| corrupted and needs to be repaired. In critical situations | | | | Solution |
| (generally when MySQL repair utility fails to repair the | | | | Before making any database repair action, make sure |
| database), you require using your recent database | | | | that the database is properly closed at all the ends. |
| backup to restore. But many times, you don’t have | | | | You also need to ensure that the server is shut down |
| clean database backup that could perform complete | | | | or in other words, all the tables are inactive. To |
| restoration. Such situations necessitate the use of | | | | perform MyISAM database table repair, issue the |
| MySQL Recovery products as the effective database | | | | following command:mysqlcheck -r |
| repair solution. | | | | -u {USERNAME} {DATABASE} [TABLE] |
| As an example, you might receive the below error | | | | Next, rerun the mysqlcheck |
| message with your MySQL Server database:warning: | | | | -u {USERNAME} {DATABASE} [TABLE] command |
| <number> clients are using or haven't closed the | | | | to check if table corruption goes away. If the issue |
| table properlyerror : Found key at page<page | | | | persists, restore from backup or make use of MySQL |
| number>that points to record outside | | | | database recovery applications. Built with powerful |
| datafileerror : Corrupt | | | | database repair technology, these MySQL Recovery |
| This error is specific to MyISAM database engine and | | | | applications provide effective and safe recovery of |
| is encountered when you run mysqlcheck | | | | damaged MySQL database and its objects. |