Katika utarakilishi na lugha za programu, kisituo (kwa Kiingereza: trigger) ni kifaa cha programu tete kinachoacha amri itekelezwe tukio linapotokea. Kisituo cha SQL : CREATE OR REPLACE TRIGGER trigg_example BEFORE INSERT OR UPDATE ON table_example FOR EACH ROW WHEN (new.no_line > 0) DECLARE evol_exemple number; BEGIN evol_exemple := :new.exemple - :old.exemple; DBMS_OUTPUT.PUT_LINE(' evolution : ' || evol_exemple); END; / Kisituo cha FireBird : {CREATE | RECREATE | CREATE OR ALTER} TRIGGER name FOR {table name | view name} [ACTIVE | INACTIVE] {BEFORE | AFTER} {INSERT [OR UPDATE] [OR DELETE] | UPDATE [OR INSERT] [OR DELETE] | DELETE [OR UPDATE] [OR INSERT] } [POSITION n] AS BEGIN .... END Kahigi, K. K. (2007). Ujanibishaji wa Office 2003 na Windows XP kwa Kiswahili Sanifu. Kioo cha Lugha, 5(1). Makala hii kuhusu teknolojia ni fupi mno. Unaweza kuipanua kwa kusaidia Wikipedia kuongezea habari juu yake.