OR ） CASE WHEN sex = ‘1’ THEN ‘男’ WHEN sex = ‘2’ THEN ‘女’ ELSE ‘其他’ END...
当然,以下是关于在Microsoft Access中使用CASE WHEN语句的详细文档。需要注意的是,Access SQL并不直接支持标准的SQL CASE WHEN语法用于查询结果中的条件逻辑(如在T-SQL或PL/pgSQL中)。然而,你可以通过其他方法实现类似的功能,比如使用IIf函数或在VBA中实现更复杂的逻辑。 在查询设计视图中使用IIf函数模拟CASE WHEN 虽...
49. Access的字符串函数不光可以在查询数据库的语句内部使用,也可以在VBA中直接使用。 24、Access里列别名必须使用As进行标记,SQLServer则可要可不要;表的别名则都是可用可不用。 25、Access的NOT IN速度慢 在通过VBA的JET引擎调用Access语法时,NOT IN速度非常慢,上千行的数据可能就需要好几分钟。替代方法是: SE...
开发语言 主题 消除警报 本文原文为英文,已针对你所在市场进行了翻译。 你对所用语言的质量的满意度如何? 请告诉我们 搜索 Office VBA 参考 Access 概述 概念 对象模型 概述 AccessObject 对象 AccessObjectProperty 对象 AccessObjectProperties 对象 AdditionalData 对象 ...
As an alternative, you can use XML in VBA by using the MSXML library. For more information, see JSON data in SQL Server. Top of Page Resources Now is a great time to learn more about SQL Server and Transact SQL (TSQL). As you've seen, there are many features li...
A LAN is an internal network that usually has excellent performance, but is limited to a small geographical area, such as a single room, building, or group of buildings. When you have more than a few users sharing the database on a LAN, it’s best to split the database, store the ...
Learn 登录 本文原文为英文,已针对你所在市场进行了翻译。 你对所用语言的质量的满意度如何? 请告诉我们 消除警报 OnMouseDown OnMouseMove OnMouseUp OptionValue Parent 属性 ReadingOrder RightPadding 节 ShortcutMenuBar SpecialEffect StatusBarText TabIndex ...
Normally, when you type an identifier that already exists in the table, the VBA editor "corrects" the lettercase of your entry to match the table's entry. The extremely annoying part is that sometimes that last step works in reverse. You type an existing identifier, but with a different ...
Type MyID: NewCDec([CategoryID]) in the Field row of a query. When you run this function, it returns a valid value for the MyID field. Status Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. ...
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