fbsql_autocommit() returns the
current autocommit status. if the optional OnOff parameter is
given the auto commit status will be changed. With OnOff set
to TRUE each statement will
be committed automatically, if no errors was found. With
OnOff set to FALSE the user
must commit or rollback the transaction using either
fbsql_commit() or
fbsql_rollback().
See also: fbsql_commit() and
fbsql_rollback()