RE: [EXTERNAL] Re: Within SQL, what does distinct mean

I was thinking that it sounded more what Joey Tribianni from Friends would say

Alan Shore
E-mail : ASHORE@xxxxxxxx
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
'If you're going through hell, keep going.'
Winston Churchill


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf Of Vernon Hamberg
Sent: Thursday, October 15, 2020 2:00 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: [EXTERNAL] Re: Within SQL, what does distinct mean

LOL - You sound like someone being considered for the Supreme Court!

Cheers
Vern

On 10/15/2020 12:58 PM, Alan Shore via MIDRANGE-L wrote:

Hi Vern
Thanks for your reply
Even though I had been looking at my query for 24 hours or so - the
problem was my query Now that the query is fixed - distinct works

Alan Shore
E-mail : ASHORE@xxxxxxxx
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
'If you're going through hell, keep going.'
Winston Churchill

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On
Behalf Of Vernon Hamberg
Sent: Thursday, October 15, 2020 1:54 PM
To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: [EXTERNAL] Re: Within SQL, what does distinct mean

Also, DISTINCT does not need a GROUP BY or ORDER BY - by itself it gives you unique instances of the column list - period! If you want counts for each group or sum or average or other aggregate function, then you should use a GROUP BY and not use DISTINCT - no need.

Yes, if you use GROUP BY, you can get the same results when you do not have any aggregate functions in the column list. And don't specify DISTINCT.

Heh!! Was I redundant enough in my reply?

Regards
Vern

On 10/15/2020 10:14 AM, Alan Shore via MIDRANGE-L wrote:

Yep
The problem was with my query
I couldn't see the wood for the trees I had to have someone else
eyeball my query - and of course - they spotted the error within 15
seconds of me explaining each step of the query Even though I had
been looking at it for almost 24 hours

AAAAAAAAAAAGGGGGGGGGGGGGGGGHHHHHHHHHHHHHHHH!!!

Alan Shore
E-mail : ASHORE@xxxxxxxx
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
'If you're going through hell, keep going.'
Winston Churchill


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On
Behalf Of Alan Shore via MIDRANGE-L
Sent: Thursday, October 15, 2020 10:42 AM
To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxxxxxxxx>
Cc: Alan Shore <ashore@xxxxxxxx>
Subject: RE: [EXTERNAL] Re: Within SQL, what does distinct mean

Hi everyone
It looks like it's a problem with my query - because the group by,
order by doesn't seem to work either Im STILL getting duplicate
records Time to dig out my fine tooth comb

Alan Shore
E-mail : ASHORE@xxxxxxxx
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
'If you're going through hell, keep going.'
Winston Churchill


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On
Behalf Of Alan Shore via MIDRANGE-L
Sent: Thursday, October 15, 2020 10:05 AM
To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxxxxxxxx>
Cc: Alan Shore <ashore@xxxxxxxx>
Subject: RE: [EXTERNAL] Re: Within SQL, what does distinct mean

Thanks for your response Patrik
So based upon your response, I AM correct If that is true - why is it not working for my instance?

Alan Shore
E-mail : ASHORE@xxxxxxxx
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
'If you're going through hell, keep going.'
Winston Churchill

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On
Behalf Of Patrik Schindler
Sent: Thursday, October 15, 2020 10:00 AM
To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: [EXTERNAL] Re: Within SQL, what does distinct mean

Hello Alan,

Am 15.10.2020 um 15:48 schrieb Alan Shore via MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx>:

Within SQL, what does distinct mean?

As far as I understood, it means that with a given list of output fields, no duplicate records shall be output.

https://www.w3schools.com/sql/sql_distinct.asp

:wq! PoC

PGP-Key: DDD3 4ABF 6413 38DE - https://www.pocnet.net/poc-key.asc


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