That is why before using this command it is beter to create a backup of the table file which you are going to recover. myd file, with further replacement of the damaged file with this file. Myisamchk works by way of debugging and creating a copy of. To recover damaged MyISAM tables, you can use the command myisamchk. MyISAM tables of a MySQL database can be damaged as a result a sudden interruption of a record process or a computer shutdown, hardware and software errors and failures, and also when trying to debug the table used by the server with the help of myisamchk.Īs a result of damage, data can disappear from the table or be wrongly represented, but most often damage to the table results in an error like this: «Incorrect key file for table: ‘table_name’. Recovering Damaged MySQL Databases With The Help of Myisamchk In the same way, you can recover lost dump files (*.sql) or its archive (*.zip, *.gzip, *.bzip2). If the user failed to create a copy of database files beforehand, they can be recovered with Hetman Partition Recovery, and then be sent to the necessary folder using the method described above. If for some reason you deleted a MySQL database, reinstalled Windows or formatted a hard disk, everything can be restored by usig the method described above, by putting the previously copied database files into the folder with the name of the database:Ĭ:\ProgramData\MySQL\MySQL Server 5.7\Data Recovering a Lost or Deleted MySQL Database
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