What does PRAGMA do in SQL?

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The PRAGMA keyword is used to signify that the remainder of the PL/SQL statement is a pragma, or directive, to the compiler. Also called apseudoinstruction, a pragma simply passes information to the compiler rather than getting transformed into a particular execution.

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 integrity check?

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 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 sqlite3_prepare_v2?

The sqlite3_prepare_v2() function compiles the SQL query. sqlite3_bind_int(res, 1, 3); The sqlite3_bind_int() binds an integer value to the prepared statement. The placeholder is replaced with integer value 3.

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