数据库系统概念（杨冬青）实践习题答案

PracticeExercises1.1Thischapterhasdescribedseveralmajoradvantagesofadatabasesystem.Whataretwodisadvantages?Answer:Twodisadvantagesassociatedwithdatabasesystemsarelistedbelow.a.Setupofthedatabasesystemrequiresmoreknowledge,money,skills,andtime.b.Thecomplexityofthedatabasemayresultinpoorperfor