What is pragma Journal_mode?

What is PRAGMA Journal_mode Wal?

Unlike the other journaling modes, PRAGMA journal_mode=WAL is persistent. If a process sets WAL mode, then closes and reopens the database, the database will come back in WAL mode.

What does PRAGMA mean in SQLite?

The PRAGMA statement is an SQL extension specific to SQLite and used to modify the operation of the SQLite library or to query the SQLite library for internal (non-table) data.

What is PRAGMA integrity check?

pragma integrity_check; From the documentation: This pragma does an integrity check of the entire database. The integrity_check pragma looks for out-of-order records, missing pages, malformed records, missing index entries, and UNIQUE and NOT NULL constraint errors.

What is PRAGMA key?

PRAGMA rekey To change the key on an existing encrypted database, it must first be unlocked with the current encryption key. Once the database is readable and writeable, PRAGMA rekey can be used to re-encrypt every page in the database with a new key.