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NNTP-Posting-Date: Mon, 09 May 2005 00:47:05 -0500
From: tmoran@acm.org
Newsgroups: comp.lang.ada
Subject: Re: creating database
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Date: Mon, 09 May 2005 00:47:05 -0500
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Date: 2005-05-09T00:47:05-05:00
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> > don't know how many records there'll be so it seems inefficient to
> > declare an array of a particular size.
>
> Sensible thinking.
> ...
> Instead of allocating a fixed size array - which on unix systems isn't
> quite as bad an idea as it sounds - you can allocate and reallocate
  A fixed array allocation may be the both the most efficient and the
simplest on a virtual memory system.  The parts you don't use don't
occupy any physical space, just address space, and the OS's allocation
of physical space may well be difficult to beat in efficiency.