Re: SQL select via logicals

[Vernon Hamberg <hambergv@xxxxxxxxxxxxxx>]

Chris

At 04:50 PM 11/30/1997 PDT, you wrote:
>** Reply to note from DAsmussen <DAsmussen@aol.com> Sat, 29 Nov 1997
20:54:46 EST
>
>> > > You're safe here. Even though QQQQuery might use a different access
path
>> >  > to improve performance, it will only return rows that are included in
>> >  > the access path that you specify, and the columns that are returned
will
>> >  > always be based on the view that you specify.
>>   
>> Sorry, but I must disagree. Interactive SQL against files to prove queries
>> has proven otherwise...
>
>Okay, look, here's my question. If I issue and SQL request against a logical
>and the logical is built with select/omit criteria, will the records
>returned be filtered by the s/o criteria? 
>
>I have always counted on this for query, but I don't know if SQL behaves the
>same way. I would expect it to, since I might give access to a logical for
>purposes of security.

AFAIK, the records are filtered by the S/O. Now, are we all (including me)
just talking through our hats, or has anyone actually tested this? I'm home
with a cold—can't do anthing right now—but I'll be glad to report on a
_real_ test when I got back to work.

Cheers

Vernon Hamberg
Systems Software Programmer
Old Republic National Title Insurance Company
400 Second Avenue South
Minneapolis, MN  55401-2499
(612) 371-1111 x480


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