OpenEuphoria

Re: database theory

• Posted by C & K L <candk at TICNET.COM> Nov 20, 1998
• 529 views

There are some programs on the EUPHORIA main site that compress
sequences written to disk. EDOM, from Ralf, comes immediately to mind,
but I know there are others... Perhaps these codes will make the writing
and reading of sequences to disk more efficient, and therefore better
able to handle the needs of a database.

Irv Mullins wrote:
>
> I should have added a couple of things to the previous message:
> Euphoria sequences, when stored on disk, are horribly wasteful
> of space. It is *far* better to do your storage in plain old
> fixed-length ascii text format.
> How? Using prinf() of course. In one statement, you get:
> 1.Fixed length fields
> 2.Ascii conversion
> 3.End of record marker (C/R)
>
> This is also nice because you can use any old text editor
> to edit or view your data files.
> The problem is when reading data back in, you must do your
> own parsing. Using fixed length fields,
> like so:
> Irv Mullins irv at ellijay.com
> Alan Tu     ATU5713 at COMPUSERVE.COM
> ^           ^
> 1           13
> You see that [NAME] is always input[1..12], address is [13..25]
> and so on.
>
> This works pretty easily.
>
> Irv