Re: Useful Oracle books - C.J. Date theory vs. practicality
- From: Nuno Souto <dbvision@xxxxxxxxxxxxxxx>
- To: Oracle L <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 28 May 2004 22:34:01 +1000
-------- Original Message --------
jo_holvoet@xxxxxxxx wrote:
SAP doesn't use nulls. For char fields they typically use a single space,
for dates (which they store in chars) they use '00000000', etc.etc.
And yes, it is every bit as ugly and horrendous as you describe ... I
assume in their case it is partly a legacy issue and partly a database
independence issue ?
Legacy. SAP was initially developed to run on flat ISAM files.
Which have no clue what a NULL is. Their entire design has not
evolved one bit since then.
--
Cheers
Nuno Souto
in sunny Sydney, Australia
dbvision@xxxxxxxxxxxxxxx
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