Re: reorder table data

Richard Huxton wrote:
> vinita bansal wrote:
>
>> Hi,
>>
>> I have a 40GB database with a few tables containing approx 10 million
>> rows. Most of the data in these tables is inactive and there is only
>> a few rows which get used for our benchmark run each day. We cannot
>> delete the inactive data since it might be required for a particular
>> run some day while it is active data that is used mostly.
>
>
> Is there some pattern to which data is being accessed. For example, in
> an accounts system it might be rows with paid=false.

If the above is the case you could create an expression index
specifically for your clause.

You could also archive out the old information into another schema and
access it when required using UNIONS.

Sincerely,

Joshua D. Drake
Command Prompt, Inc.

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