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Re: Where vs Histogram vs ?? [message #32618 is a reply to message #32526]

Thu, 17 October 2002 16:22

Pavel A. Romashkin
Messages: 531
Registered: November 2000

Senior Member

I can definitely echo Bob's suggestion to use index for searching. Don't
use structure fields. Using a database would like ly be better yet; I
think MS Access Jet should be reasonably fast with 15 mln records.
Good luck,
Pavel

Andrew Cool wrote:
>
> Hello All,
>
> I have a structure defined as :-
>
> data_st = {YEAR : 0 ,$
> DAY : 0 ,$ ; 136 days over 12 years
> HALF_HR : 0 ,$ ; 0..47
> RANGE_IDX : 0 ,$ ; 0..267
> WRF : 0B ,$ ; 3 possible values
> FREQ : 0B ,$ ; 4 possible values
> BEAM : 0B ,$ ; 4 possible values
> PAD : 0B ,$ ; Padding to align byte
> boundaries
> Parameter : FLTARR(5)}
>
>
> Replicate that a few times :-
>
> database = Replicate(data_st,15425228)

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[Message index]

		Where vs Histogram vs ?? By: Andrew Cool on Wed, 16 October 2002 16:05
		Re: Where vs Histogram vs ?? By: Andrew Cool on Tue, 22 October 2002 17:26
		Re: Where vs Histogram vs ?? By: Andrew Cool on Tue, 22 October 2002 20:53
		Re: Where vs Histogram vs ?? By: Stein Vidar Hagfors H[1] on Tue, 22 October 2002 08:58
		Re: Where vs Histogram vs ?? By: Andrew Cool on Mon, 21 October 2002 17:59
		Re: Where vs Histogram vs ?? By: Andrew Cool on Mon, 21 October 2002 17:59
		Re: Where vs Histogram vs ?? By: Pavel A. Romashkin on Wed, 23 October 2002 10:29
		Re: Where vs Histogram vs ?? By: Pavel A. Romashkin on Fri, 18 October 2002 13:49
		Re: Where vs Histogram vs ?? By: Craig Markwardt on Thu, 17 October 2002 20:21
		Re: Where vs Histogram vs ?? By: Andrew Cool on Thu, 17 October 2002 18:13
		Re: Where vs Histogram vs ?? By: Pavel A. Romashkin on Thu, 17 October 2002 16:22
		Re: Where vs Histogram vs ?? By: Pavel A. Romashkin on Mon, 28 October 2002 11:01
		Re: Where vs Histogram vs ?? By: Stein Vidar Hagfors H[2] on Thu, 24 October 2002 06:33
		Re: Where vs Histogram vs ?? By: Pavel A. Romashkin on Thu, 24 October 2002 13:36
		Re: Where vs Histogram vs ?? By: Andrew Cool on Wed, 23 October 2002 15:31

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