Re: help on Indexing contents in file

From:
 James Kanze <james.kanze@gmail.com>
Newsgroups:
microsoft.public.vc.mfc,comp.lang.c++
Date:
Tue, 09 Oct 2007 07:48:32 -0000
Message-ID:
<1191916112.752834.112810@k79g2000hse.googlegroups.com>
On Oct 8, 9:35 am, Nash <jeevs...@gmail.com> wrote:

 I have set of data which needs to be stored in a file. The data is
classified into categories say Cat 1, Cat 2... Cat 10 each category
can have any number of entries. The program allows user to rate items
of each category as 1,2&3. Now i need to store the ratings in a file
and whenever the items of categories are listed i should show rating
along with it.
 Initially file should be empty. Whenever the user rates an item then
only i need to add an entry into a file. I dono in what format i
should store the data in the file so that i can access the data
quickly. Please provide some pointers.


The obvious answer would be to use a data base, something like
mySQL (probably adequate here) or PostgreSQL. If that's more
than you need, and the data set fits into memory, a simple file
with attribute value pairs might be sufficient. The choice of
one or the other, or something in between, depends a lot on
factors we don't know: the size of the data set, the frequence
and pattern of accesses, etc.

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James Kanze (GABI Software) email:james.kanze@gmail.com
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