SQLite check integrity and fix common problems

Every now and then you need to check the integrity of an SQLite database. The command for this is:

sqlite>PRAGMA integrity_check;

This will either report the problems or just return “ok”

If it does report problems one solution I always try first is to do an export/import of the database:

>sqlite3 database.db
sqlite>.output backup.db

>sqlite3 database_fixed.db
sqlite>.read backup.db

>mv database_fixed.db database.db

This usually fix many of the common problems like “disk image is malformed” and “database is locked”

Tested on OSX 10.6.8 and SQLite v3.7.6 (MacPorts)

  1. Thanks! Your instructions helped me recover! 🙂

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