【单选题】在 Access 2010 数据库中,为了保持数据表之间的关系,要求在“子表”中添加记录时,如果主表中没有与之相关的记录,则不能在子表中添加该记录。为此需要定义的关系是( )。
【简答题】扩大小肠吸收面积的结构有哪些?简述其结构特征。
【简答题】More Than One Kind of Intelce 1.You may have heard people mention 'IQ' when talking about how smart someone is. IQ stands for 'intelce quotient(智商)'. It can help predict how well someone may...
【简答题】You may have a kind of feeling that you are being _______ by advertisements. 你总有一种被广告操纵的感觉
【简答题】在Access2010数据库中,要在表中建立“性别”字段,并按与要求用逻辑值表示,其数据类型应当是()
【简答题】It is often said that eyes can speak. Do you have such kind of 61 ? In a bus you may look at a stranger, but not too, 62 . If he notices that he is being looked at, he may 63 uncomfortable. It is the ...
【单选题】You may find that you will have to take special courses or get some actual work experience to qualify _______ a particular kind of work.
【单选题】每公吨900美元,折扣2%,则卖方支付给买方的折扣是______。
【单选题】要使用户能够在浏览器中查看Access 2010数据库中的数据,可以使用Access 2010提供的_______功能。