Corruption in SQL server database can happen due to any uncertain like virus attack, power failure, hardware issue, OS malfunction, and sudden system shutdown, so on. When a SQL server data file (.mdf) is corrupt then DBAs can try several methods to repair and recover data from it.

• Run DBCC CHECKDB: It checks & reports all the error message in error log, if there is any problem with the database. Try to analyze & understand the error message logged in the error log. Re-run DBCC CHECKDB with the recommended minimum repair option to repair the file.

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