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  • Subject: Re: Re[2]: SQL-defined files/tables
  • From: "Al Barsa, Jr." <barsa2@xxxxxxx>
  • Date: Fri, 08 Dec 2000 11:18:37 -0500

At 10:28 AM 12/8/00 -0500, you wrote:

>Dan, Eric
>
>Pragmatically(not phisophically) ,   I don't think User Defined Types will
>be embraced or implemented as widely as the Reference File concept.    Sure
>you can define Canadian Dollars and US Dollars as UDT's,  and each can have
>their own rules of behavior,   but I'd be willing to bet that most shops
>will find them too narrow and restrictive to be used widely.


Agreed.


>I don't know why the DB guys won't just admit that the designers of the
>Sys/38 had a great idea back in 1978+/-    with the Reference(with very
>liberal built in type casting).

Because they are cheap and stupid.  I can't fault them on being 
cheap.  Business is business, but I can fault them on stupidity.  DDS is 
significantly more user productive for DB design than SQL, and DDS would be 
relatively inexpensive to enhance.

Al







>John Carr
>
>
>------------
>Eric,
>
>How about an example?  For an SQL newbie...
>
>Dan Bale
>
>
>----------------
>Hello Al,
>
>Thursday, December 07, 2000, 1:57:28 PM, you wrote:
>
> > At 03:09 PM 12/7/00 -0500, you wrote:
>
> > IBM deems DDS to be proprietary, and SQL to be an industry standard.  In
> > this respect, they are correct.
>
> > However, the field reference capability in DDS is not available in
> > SQL.  You can be significantly more productive in DDS than in SQL for
> > database file definition.  In my opinion, IBM is being cheap and stupid
>not
> > extending these capabilities to DDS.
>
>Al,
>
>You can get the same capability by doing a Create Distinct Type. I
>think it is even better because in your script you would say a field
>is a Type of AccountNumber if you had created such a type.
>
>----------------------------------
>Eric N. Wilson
>President
>Doulos Software and Computer Services
>
>
>
> 
 >
                     D.BALE@handleman.co 

                     m                          To: 
MIDRANGE-L@midrange.com
>                     Sent 
> by:                   cc:
>                     owner-midrange-l@mi        Subject:     Re[2]: 
> SQL-defined files/tables
>                     drange.com 
 >
                                                                             

                                                                             

                     12/08/2000 09:34 
AM
>                     Please respond 
> to
>                     MIDRANGE-L 
 >
                                                                             

                                                                             


>
>
>IT - AS/400
>Handleman Company
>248-362-4400  Ext. 4952
>
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+--------------------------------------------------+
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+--------------------------------------------------+

Al Barsa, Jr. - Account for Midrange-L
Barsa Consulting Group, LLC.    
400 > 390

Phone:          914-251-1234
Fax:            914-251-9406
http://www.barsaconsulting.com
http://www.taatool.com

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