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Emergency Database Repair

Author: Chuck Edwards | | March 19, 2010

Repairing a database is often trickier than a restore or a recovery; the database may be functioning normally except for an isolated problem that prevents normal transaction processing.  Database repair activities may or may not require a database recovery or restore.  Often a single object or schema is damaged, or the underlying infrastructure is corrupt and must be replaced or repaired. Blue Gecko can perform various granular database repair operations depending on the nature of the problem, the version of the software, type of hardware, etc.  Our DBAs have provided creative solutions for many customers; we have repaired data that was previously thought lost or permanently damaged.  Though no one can guarantee a successful database repair, Blue Gecko DBAs have broad and deep experience with complex corruption and failure scenarios.

Oracle Database Repair

Some common Oracle repair activities:

  • Repair corrupt data blocks
  • Extract clean data from corrupt tables and import into a clean table
  • Restore dropped or damaged objects
  • Rebuild corrupt indexes
  • Apply patches or fixes from Oracle support
  • Move databases or datafiles from corrupt media
  • Repair corrupt file system or disk partitions

MySQL Database Repair

Some common MySQL repair activities:

  • Repair corrupt datafiles
  • Move databases or datafiles from corrupt media
  • Repair corrupt file system or disk partitions
  • Extract transactions from the MySQL binary log to reverse destructive SQL
  • Research and MySQL patches

Contact us to learn more.

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