What is PRAGMA synchronous?

What is PRAGMA in database?

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 Journal_mode?

The journal_mode pragma gets or sets the journal mode which controls how the journal file is stored and processed. Following is the simple syntax. PRAGMA journal_mode; PRAGMA journal_mode = mode; PRAGMA database. journal_mode; PRAGMA database.

What is PRAGMA Integrity_check?

PRAGMA integrity_check behaves like a SELECT query that returns results in a single row. To read the results with sqlite3_exec , you need to use a callback. Please note that PRAGMA integrity_check is not guaranteed to find all errors, so you can use it only to check for broken databases, not for healthy databases.

What is PRAGMA key?

PRAGMA key This means that the key (and any options) must be set before the first operation on the database. As soon as the database is touched (e.g. SELECT, CREATE TABLE, UPDATE , etc.) and pages need to be read or written, the key is prepared for use.