drop TRIGGER if EXISTS	au_service_category;
CREATE TRIGGER au_service_category
    AFTER UPDATE ON service_category
    FOR EACH ROW 
INSERT INTO service_category_audit
	(service_category_id, name, 
	description, billing_mod_id,
	is_system, is_deleted,
	created_at, created_by)
Value(old.id, old.name,
	old.description, old.billing_mod_id,  
	old.is_system, old.is_deleted, 
	CURRENT_TIMESTAMP, new.created_by);
