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Home -> Community -> Mailing Lists -> Oracle-L -> RE: Useful Oracle books - C.J. Date theory vs. practicality
Is your dislike of COBOL really a problem with the language or with the way
people wrote the programs you had to work with? I used to like the
language.
For solving business tasks I used to be able to generate working COBOL code in very reasonable time periods that still compares well to how long it takes to solve similar problems today. My main problem was trying to find and fix bugs in the spaghetti code that the program authors had developed for a set of business rules that had long since changed and which were never documented. I am willing to bet if you let those same people code C or Perl like they coded COBOL that anyone who was introduced to those languages while assigned with working on programs developed like I just mentioned would develop a dislike for the language in question.
Have a good weekend.
-- Mark D Powell --
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Mladen Gogala
Sent: Friday, May 28, 2004 4:13 PM
To: oracle-l_at_freelists.org
Subject: Re: Useful Oracle books - C.J. Date theory vs. practicality
On 05/28/2004 03:43:04 PM, Lex de Haan wrote:
> Hi Jared,
>
> the difference becomes apparent if you try a condition like the following:
>
> 'Mort Subite' = NULL
>
> This condition is neither TRUE nor FALSE; it evaluates to UNKNOWN.
>
> According to three-valued logic, NOT UNKNOWN evaluates to UNKNOWN;
> therefore, both statements will execute their ELSE branch;
> so the first one executes statement 2, and the second one executes
statement
> 1.
>
> My math teacher (many moons ago) usually would say at this point: QED.
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