SET CONSTRAINTS 螆䘞嘷嬉庋媇麯䔇亥溘演昖䔇䬹攓㔗IMMEDIATE 亥溘滇婘懟溇臺埖劯麵誕臯演昖㔗DEFERRED 亥溘婔䕘彄庋媇柊庴施欉演昖㔗懟婻亥溘鄘橬躻噌䔇 IMMEDIATE 潡 DEFERRED 昇嚟㔗
傯录傺䔇施唍嚔哋婔婻亥溘攂滇䂍垔婺 DEFERRABLE INITIALLY DEFERRED, DEFERRABLE INITIALLY IMMEDIATE, NOT DEFERRABLE 婬婻䬹攓幋婔㔗丸婬䓉攂滇 IMMEDIATE 幽婫婉嚔埖 SET CONSTRAINTS 嘌巉㔗崘婴䓉傖毺垔䔇桹嚟劇媘懟婻庋媇嘖滇傡傸䔇臯婺埇傖婘庋媇麯䫘 SET CONSTRAINTS 櫹埻㔗
婥五婔婻亥溘劉彖臘䔇 SET CONSTRAINTS 櫹埻認底亥溘䔇昇嚟(鄘媙釂滇埇毘誘䔇)㔗套悩橬崔婻亥溘对陉昊婻劉庖闼幽欔橬鄘嚔赆嘌巉㔗SET CONSTRAINTS ALL 櫹埻欔橬埇毘誘亥溘䔇昇嚟㔗
嘷 SET CONSTRAINTS 檪婔婻亥溘傯 DEFERRED 櫹潊 IMMEDIATE 䔇施唍桄昇嚟埉嘩䫘嚟婄蕙嘩䫘傂嘘儖婘庋媇䂷溘庖崺誕臯䔇昄扞媞櫹鄘儖婘 SET CONSTRAINTS 䔇施唍欓臯演昖㔗套悩誺埉庖傂嘘亥溘SET CONSTRAINTS 鄘嚔崌蘖(幽婫婉嚔媞櫹亥溘昇嚟)㔗啹溴SET CONSTRAINTS 埇傖䫘庯嚺彽婘庋媇婺昊婔䗹誕臯亥溘演昖㔗
䕞嬉埻橬崡髞亥溘赆認婻螆䘞嘌巉㔗演昖启嫇婔亥溘攂滇婉埇毘誘䔇㔗