如果在Access中为空，则将字段从一列移动到另一列

Question

下面是我正在使用的表格。我想从[Field1]列中取出字段并直接移到[Field2]列。

结果将是这样的

字段2

Browser
com.android.browser
com.android.browser.BrowserActivity

Email
com.android.email
com.android.email.activity.Welcome

Phone
com.android.contacts
com.android.contacts.activities.PCUDialtactsActivity

Gallery
com.android.gallery3d
com.android.gallery3d.app.Gallery

Tắt màn hình
com.katecca.screenofflockdonate
com.katecca.screenofflockdonate.MainHelper

Messaging
com.android.mms
com.android.mms.ui.ConversationList

Simple mode
com.pantech.app.skysettings.simplemode
com.pantech.app.skysettings.simplemode.simplemodesettingshrotcutActivity

Answer 1

这可能会满足您的需求：

SELECT iif(isnull(Field2), Field1, Field2) as [yourColumnTitle] 
FROM yourTableName

除此之外，你需要在表datatype = YesNo中添加一个列，并在你想要影响的行上将其设置为true，然后你可以

SELECT iif(NewColumn <> 0, Field1, Field2) as [yourColumnTitle]
FROM yourTableName