创建视图

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一个视图是一个查询。正因为如此,如何创建和使用视图的详细情况在创建查询一节讨论。 A View is a query. Because of this, the details of how to create and use a View are in the Creating queries section. (1)

度假表格中的一些字段的视图 View of some fields from the Vacations table.(2)

一个视图也是一个表。其字段来自数据库中一个或多个表的字段。它提供了一种撇开字段所属的表而查看若干字段的方法。如上所示一个视图可以包含一个表中的一些字段。或者,如下所示,它可以包含来自于一个以上的表格的字段。 A View is also a table. Its fields come from the fields of one or more tables of the database. It provides a way to look at a number of fields without regard to the table to which any of the fields belong. A View can consists of some of the fields on one table as shown above. Or, it can consist of fields from more than one field as shown below. (3)(译者注: (此处原文有误))

燃料和付款方式表中字段构成的视图。 View of fields from the Fuel and Payment Type tables.(4)
Image:documentation_caution.png数据不能象添加到一个表中那样添加到视图中。它仅仅用于查看已经加入的数据。
 Data can not be entered into a View like it can be added to a table. It is strictly for viewing data which has already been added.


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