Should sqlite3_prepare () be prefaced with explain or explain?

What is pragma Foreign_keys off?

PRAGMA foreign_keys = boolean; Query, set, or clear the enforcement of foreign key constraints. This pragma is a no-op within a transaction; foreign key constraint enforcement may only be enabled or disabled when there is no pending BEGIN or SAVEPOINT.

How do I compact SQLite database?

SQLite is somewhat lazy to reclaim unused space; use the VACUUM command or auto vacuum mode. the datbase format trades space efficiency for speedy access. if you just dump the data contents, either as SQL dump or simply a CVS file for each database table, you'll likely get smaller files.

Is SQLite synchronous?

sqlite-sync / SQLite-sync.com Public With this framework your application can work completely offline (Airplane Mode), then perform an automated Bidirectional Synchronization when an internet connection becomes available.

What are pragmas in SQLite?

pragma is an SQLite statement that is specific to the SQLite SQL dialect, that is, it is not standard SQL, but rather an extension of SQLite. The pragma statement has two primary purposes: Modifiy how some particularities work, or. Querying the internal data.