What does PRAGMA mean in SQLite?

What is PRAGMA command?

Advertisements. SQLite PRAGMA command is a special command to be used to control various environmental variables and state flags within the SQLite environment. A PRAGMA value can be read and it can also be set based on the requirements.

What is PRAGMA foreign key?

If the SQLite library is compiled with foreign key constraint support, the application can use the PRAGMA foreign_keys command to enable or disable foreign key constraints at runtime.

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 schema in SQLite?

Every SQLite database contains a single "schema table" that stores the schema for that database. The schema for a database is a description of all of the other tables, indexes, triggers, and views that are contained within the database.