Dbal.sql transaction

dbal::sql_transaction –– Allows beginning, committing and rolling back database transactions.

Description
The $db->sql_transaction method is used for working with transactions. Transactions can lead to performance gains. Their main purpose however, is to maintain the integrity of the database. Multiple queries are grouped into a transaction, which in case of failure, is rolled back completely.
 * 1) bool dbal::sql_transaction ( string $status )

Parameters
status Status supports:

Return Values
Returns a boolean value indicating success of the operation.

Examples
TODO