考题
在窗体上,设置控件Command0为不可见的属性是( )。A.Command0.ColoreB.Command0.CaptionC.Command0.EnabledD.Command0.Visible
考题
为了使命令按钮(名称为Command1)右移200,应使用的语句是______。A.Command1. Move-200B.Command1. Move 200C.Command1. Left=Command1. Left+200D.Command1. Left=Command1. Left-200
考题
为了使命令按钮(名称为Command1)右移200,应使用的语句是( )。A.Command1.Move -200B.Command1.Move 200C.Command1.Left = Command1.Left + 200D.Command1.Left = Command1.Left - 200
考题
You executed the following command to drop a user:DROP USER scott CASCADE;Which two statements regarding the above command are correct?()
A. All the objects of scott are moved to the Recycle Bin.B. Any objects in the Recycle Bin belonging to scott are purged.C. All the objects owned by scott are permanently dropped from the database.D. All the objects of scott in the Recycle Bin must be purged before executing the DROP command.E. Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.
考题
为了使命令按钮(名称为Command1)右移200,应使用的语句是A.Command1.Move-200B.Command1.Move200C.Command1.Left=Command1.Left+20D.Command1.Left=Command1.Left-200
考题
在窗体上,设置控件Command0为不可见的属性是( )。A.Command0.ColorB.Command0.CaptionC.Command0.EnabledD.Command0.visible
考题
Arielisdesigninganapplicationandwouldliketocreateresponsedocumentswithacopyoftheoriginaldocinacollapsiblesection,oneofthefollowing@command,providedwiththecorrectparameters,willallowhertodothis()
A.@command ([compose with copy])B.@command ([compose with section])C.@command ([compose with reference])D.@command ([compose with referencesection])
考题
An operator has been asked if a system was rebooted. Which of the following commands should be used to determine if a reboot has occurred?()
A. The name?command.The ?name?command.B. The ptime?command.The ?ptime?command.C. The hutdown ast?command.The ?hutdown ?ast?command.D. The ?etc/rc.shutdown?command.
考题
3、command1 comman2 || command3的含义是:()A.当command1,command2成功时才执行command3B.当command1,command2失败时才执行command3C.当command1失败,command2成功时才执行command3D.当command1成功,command2失败时才执行command3