CHECK约束被称为()约束,UNIQUE约束被称为()约束。
当一个表带有约束后,执行对表的各种()操作时,将自动()相应的约束,只有符合约束条件的合法操作才能被真正执行。
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a ListBox to show grouped data. The ListBox is data-bound to a collection of items. Each item has the Name and State properties. You need to ensure that the ListBox meets the following requirements: Names grouped by State Names sorted in ascending order States sorted in descending order Which code fragment should you use?() ["

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虚拟组织的主管人员主要是通过计算机网络联系方式,把大部分的时间用在()外部关系上。 ["管理","组织","创新","协调"]
认定公司、企业人员受贿罪时,在客观方面必须明确认定以下几点() ["必须明确是否利用了职务上的便利","必须明确是否收受了他人财物,为他人谋求利益","收受的财物、回扣、手续费是否归个人所有","数额是否较大"]
肝素钠与枸橼酸钠的抗凝血作用在临床应用中应如何选用?