Re: IDDU, S36 & AS/400 SQL & RPG

[Vern Hamberg <hambergv@xxxxxxxxxxxxxx>]

At 10:07 PM 12/8/97 -0500, you wrote:
>
>RE:    Re: IDDU, S36 & AS/400 SQL & RPG
>
>>Prince Etrigan wrote:
>>> What I've been doing is (re)describing the data files in my RPG programs,
>>> and wrapping the RPG in a CL program that does an OVRDBF command.
Also, I'm
>>> using Query/400 a lot, and would like to see if SQL would have any
>>> performance benefits, but SQL won't access the files.
>>>
>>>
>
>
>Someone said
>>To use the files in SQL I believe you have to create an SQL table,
instead of a
>>CRTPF or CRTLF.
>
>I said;
>Uh ... wrong.    Thats the nice thing on the AS/400 a *FILE is a *FILE 
>as opposed to the PC where a file is a .EXE a .XLS a .DOC a .DLL a .ETC
>and it's up to the application to open it up and say WHAT IS THIS JUNK
>or whatever runtime message each package gives you(like.. Sorry; this 
>is not a Powerpoint Presentation).
>
>Anyway,  SQL sees a PF created from the CRTPF command exactly like it see
>a table created using the CREATE TABLE and vice versa, etc, and so on.

Agreed. SQL should be able to see any physical file. You may need to use
substr to break out the fields you want, and in this respect, it's probably
advantageous to create logicals first, as someone else said.

Whoever said SQL can't see the physical, can you expand on this, if that is
the case?

Cheers

Vernon Hamberg
Systems Software Programmer
Old Republic National Title Insurance Company
400 Second Avenue South
Minneapolis, MN 55401
(612) 371-1111 x480


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