My Assistant
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Apr 17 2012, 11:27 AM
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#1
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New Member Posts: 18 |
Hi All,
I have a table that I used to pivot from in other queries. There are only two fields, the ID field and the Date field. When I update the database I want it to populate the date field sequentialy from date()-10 to date()+500 with each date in its own record. I would prefer to do this with SQL, but if there is an easy way to do it with VBA I am willing to learn that. I am building this database for someone else and in a years time the dates will need to be updated so I would prefer to automate this process. 01/01/2012 01/02/2012 01/03/2012 etc. Any Help would be apprecaited. Thanks to All!!!! |
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Apr 17 2012, 11:37 AM
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#2
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Access Wiki and Forums Moderator Posts: 47,914 From: SoCal, USA |
Hi,
(IMG:style_emoticons/default/welcome2UA.gif) What version of Access are you using? Please remember to select the version number when posting questions in case it becomes relevant to the discussion. I would suggest that you modify your table to have only one field with numbers from -10 to +500 (including 0). Then, you can just use a query to get the dates, and you can use this query in place of your current table for your pivot process. The query SQL might look something like: SELECT DateAdd("d", [FieldName], Date()) As MyDate FROM TableName Just my 2 cents... (IMG:style_emoticons/default/2cents.gif) |
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Apr 18 2012, 05:24 PM
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#3
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UtterAccess VIP Posts: 2,532 From: Parma, Idaho, US |
I'll agree with the DB guy (heck, I pretty much always agree with the DB guy)... it's very handy to have a little multipurpose utility table. Mine is called Num, with one Long Integer field N, with values from 0 through 10000. To get a series of dates starting at the first day of the current year for 500 days, you can just use a query like
SELECT DateSerial(Year(Date()), 1, N+1) FROM Num WHERE N < 500; and use this query anywhere you'ld use the dates table. And since it uses the Date() function to get its starting point, it will never go stale! |
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Apr 20 2012, 12:34 AM
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#4
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New Member Posts: 18 |
I ended up having a table with two fields. The first called number, populated 1-500, the second called Date.
I then run an update query for the Date field to equal Date()+[table].[number] sometimes the simplest things are the hardest to see. |
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Apr 20 2012, 09:59 AM
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#5
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Access Wiki and Forums Moderator Posts: 47,914 From: SoCal, USA |
Hi,
I ended up having a table with two fields. The first called number, populated 1-500, the second called Date. I then run an update query for the Date field to equal Date()+[table].[number] sometimes the simplest things are the hardest to see. Glad to hear you found a solution that works for you; but, I believe you missed the point of our replies. When you use an UPDATE query and store the dates in your table, then you end up with a "static" value (until you run the update query again. Whereas, what we have given you is more of a "dynamic" way of generating dates for your needs. Good luck with your project. |
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