class
	DB_CONTROL

General
	cluster: interface
	create: make

Ancestors
	DB_EXEC_USE
	DB_STATUS_USE
	NUMERIC_NULL_VALUE

Queries
	error_code: INTEGER_32
	error_message: STRING_8
	exhausted: BOOLEAN
	immediate_execution: BOOLEAN
	is_connected: BOOLEAN
	is_ok: BOOLEAN
	is_tracing: BOOLEAN
	numeric_null_value: REAL_64
	trace_output: FILE
	transaction_count: INTEGER_32
	warning_message: STRING_8

Commands
	begin
	commit
	connect
	disconnect
	raise_error
	reset
	rollback
	set_immediate
	set_numeric_null_value (a_value: REAL_64)
	set_trace
	unset_immediate
	unset_trace