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Creating something similar to a Pivot Table in Access 2007?

Hi

i have created a query and need to basically Pivot the data in a similar to Excel - the only difficulty is that i ahve nearly 5 million rows of data. I cannot use a crosstab as this does not have the functionality i require. I have tried the Pivot Table button in access but it takes forever to read the data - over 3 hours and then crashes when I try to ammend anything.
Any help would be greatky appreciated.

Thank You
Sep 28 '11 #1
4 3082
patjones
931 Expert 512MB
Well you sort of answered your own question, which is really less about whether Access can create a pivot for you (it can) than it is about how to make Access handle 5 million rows of data.

Is the data actually stored in an Access file, or is it on say SQL Server? If the data is in SQL Server (for instance), I'd go in and write a query there to do what you're looking for rather than trying to get Access to do it.

Pat
Sep 28 '11 #2
Thanks for the quick reply

the data is in an access query.
Sep 28 '11 #3
patjones
931 Expert 512MB
The data cannot be in an Access query. What I'm asking is if it's physically stored in an Access file, or stored somewhere else (say on a server somewhere) with you just connecting to that location from Access.

If the data is stored in an actual Access file, my advice would be to look into other options for working with the data, such as migrating it to a bigger platform that can handle millions of records (SQL Server, MySQL, Oracle, etc.) and write your aggregate queries there. Once you have the data summed down to a smaller number of records you could use Access to connect to the data source (via say ODBC) to build charts or put it in forms and reports.

Otherwise, anything you try to do with these records in Access will be performance prohibitive, unless we're talking about very simple records that don't contain much information.

Pat
Sep 28 '11 #4
NeoPa
32,556 Expert Mod 16PB
There are things you can manage in the design of such a table to minimise such problems, but it sounds to me like this is way beyond the limits of what that could achieve for you. We're not in any position to help there anyway as the relevant information is lacking from the question. Never mind that now, as I say it almost certainly wouldn't provide the improvements you need.

We're left with the posts from Pat, which frankly give a very accurate indication of your best approach going forward. On the lines of I couldn't have said it better myself.
Sep 28 '11 #5

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