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PreviousDateQuery.mdb (beginner)(2000-2007)

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Roger Carlson View Drop Down
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Joined: 20 Feb 2008
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Roger Carlson Quote  Post ReplyReply Direct Link To This Post Topic: PreviousDateQuery.mdb (beginner)(2000-2007)
    Posted: 10 Sep 2009 at 1:21am
Please consider donating $1 per sample downloaded, find out why here.
 
PreviousDateQuery.mdb (beginner)
 
This sample illustrates how to create a Previous Date query.  It shows how to:
 1) Display the previous date in subsquent records of a table
or
 2) Display the previous date in subsquent records of a table  over a group.  In this case, the group is the OrderID field.

There are two methods shown here: Using a 1) correlated subquery and 2) DMax domain aggregate function.  The correlated subquery is the faster method, but it returns a non-updateable recordset.  The DMax method is slower, but the recordset is updateable.

HOWEVER, it should be noted that against a large dataset, neither method will be very fast!

Access 2000-2007 version: PreviousDateQuery.zip
 
NOTE: If you want to know the number of days between the two dates, see my sample:  DaysBetweenQuery.mdb.
Consider donating $1 per sample downloaded, find out why here.<
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