How do I unlock a SQLite database?

by 
sqlite> DELETE FROM mails WHERE (`id` = 71);
SQL error: database is locked

How do I unlock the database so this will work?

38 Answers
38

In windows you can try this program http://www.nirsoft.net/utils/opened_files_view.html to find out the process is handling db file. Try closed that program for unlock database

In Linux and macOS you can do something similar, for example, if your locked file is development.db:

$ fuser development.db

This command will show what process is locking the file:

> development.db: 5430

Just kill the process…

kill -9 5430

…And your database will be unlocked.

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