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建立“教学管理系统”数据库,并建立其中的6个表的结构,然后建立表间关系。再每个表输入2行记录。 问题: (1)需求分析主要是分析什么? (2)建立表结构时,你考虑了用户自定义完整性吗? (3)如果已经有如下Excel表格,其中含有相关数据,能不能用到本数据库中来?怎么用?请将下列两个表的数据导入到数据库中。 课程档案.xls 学生情况.xls (4)如果已经有某个数据库,含有与“教学管理系统. mdb”数据库相关的数据,能不能用到本数据库中来?怎么用?
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【简答题】What is the typical color of the decoration of the pottery?
【单选题】In the eighteenth century, the town of Bennington, Vermont, was famous for ______ pottery.
A.
it made
B.
its
C.
the making
D.
where its
【简答题】A．Money. B．Pottery. C．Bricks. D．Nests.
【简答题】Pottery is the name given to all kinds of useful or artistic objects made from clay. Pottery can be plates or water pots or baskets. Pottery can be large or small, fancy or plain. Pottery is part of t...
【单选题】地西泮不具有的药分性质是：
A.
分子中含氯元素可供鉴别
B.
溶于硫酸在紫外光照下显黄绿色荧光
C.
去甲基安定是其特殊杂质
D.
经水解具芳伯胺基，可供鉴别和含量测定
E.
具苯并二氮杂卓结构
【单选题】报表的一个文本框控件来源属性为"IIf(([Page] Mod 2=0),"页" & [Page]," ")",下列说法中,正确的是( )。
A.
显示奇数页码
B.
显示偶数页码
C.
显示当前页码
D.
显示全部页码
【单选题】Traditional methods of making pottery___________. 查看材料
A.
are rarely used anymore
B.
take a lot of time
C.
are not of interest to pottery collectors
D.
will soon be complete replaced
【单选题】Voulkos started out making traditional pottery, but then _______.
A.
began using concepts from abstract art in his work
B.
incorporated techniques from abstract art into his ceramic work
C.
tried using techniques that had never been used before in pottery
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