DaysBetweenQuery.mdb (beginner)(2000-2007) |
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Roger Carlson
Microsoft MVP Joined: 20 Feb 2008 Status: Offline Points: 261 |
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Posted: 30 Dec 2010 at 9:40am |
Update: Added detailed documentation. |
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Roger Carlson
Microsoft MVP Joined: 20 Feb 2008 Status: Offline Points: 261 |
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Please consider donating $1 per sample downloaded, find out why here.
DaysBetweenQuery.mdb
This sample illustrates how to create a "Days Between" query. It shows how to:
1) Display the difference between dates in subsquent records of a table
or 2) Display the difference between dates 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! Download
Access 2000+ (17 KB): DaysBetweenQuery.zip |
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