题目内容
Youare adatabase developer.YouplantodesignadatabasesolutionbyusingSQLServer2008.You are creating adataba seto supportthe office manager.Your database modelhasthe following structure.
Thedatabasedesignhasthefollowing businessrequirements:Anemployeecanbeassignedmorethanone task.Uponcompletion,thetaskisdeleted.Whenataskisdeleted,theassociatedassignmentisdeleted.When an employee isnolonger availabletocomple tea task,theemployee linkto the assignmentisreplacedwithaNULLvalue.Youneed toimplementthebusinessrequirementstomaintaindataintegrity.
Whatshouldyoudo?()
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