Re: Tutorials

Wow,

What is SCADA, and what devices is it using to measure to 38 digits of precision ?

--
Jonathan Lewis
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Host to The Co-Operative Oracle Users' FAQ
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Practical Oracle 8i: Building Efficient Databases

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Murray Peterson wrote in message ...


>"Howard J. Rogers" <howardjr_at_www.com> wrote in

>news:3be4e3a5$0$3442$afc38c87_at_news.optusnet.com.au:

>

>> The "real point" is, is this product of use?

>>

>> The real answer is, yes it is.

>

>Certainly, but of use in what areas?  Some of those "quibbles" are serious

>in nature, enough so to make Oracle unusable for some applications.

>

>> Quibbling about how Oracle stores its numbers, for example (the site's

>> point number 1), is a classic example of wondering how many angels can

>> fit on the head of a pin.  The fact is, it *does* store numbers, and

>> the lack of a "float" data type is no obstacle to it being used in

>> scientific circles.

>

>Sorry, but the lack of IEEE float support by Oracle is a true obstacle at

>times.  I work in SCADA, and many data acquisition devices store and

>transmit their data in IEEE float or double format.  Oracle's inability to

>store and retrieve these values without error makes Oracle completely

>unusable.  Would you really want the pipeline running through your

>neighbourhood controlled by a system that can't even store some of the

>controlling values without error?

>

>--

>Murray Peterson

>Email: murray_peterson_at_shaw.ca (remove underscore)

>URL:   http://members.shaw.ca/murraypeterson/