× The internal search function is temporarily non-functional. The current search engine is no longer viable and we are researching alternatives.
As a stop gap measure, we are using Google's custom search engine service.
If you know of an easy to use, open source, search engine ... please contact support@midrange.com.


  1.  Home
  2. MIDRANGE-L
  3. October 2005

Re: SQL Optimizer Issue

That's because you're using a column operation (count) without telling SQL
how to group the columns (count of what?). "Distinct" is great if you just
want to get individual values (it's fast), but it doesn't support "count"
or "sum" or any of the other column functions (that's why it's fast).

As Eric already said, "group by" is what you want

Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx> on Monday,
October 17, 2005 at 4:43 PM -0500 wrote:
>I'm getting a "Column or expression in SELECT list not valid" error.


Mike Naughton
Senior Programmer/Analyst
Judd Wire, Inc.
124 Turnpike Road
Turners Falls, MA  01376
413-863-4357 x444
mnaughton@xxxxxxxxxxxx

As an Amazon Associate we earn from qualifying purchases.

This thread ...
Replies:
Follow On AppleNews
Return to Archive home page | Return to MIDRANGE.COM home page

This mailing list archive is Copyright 1997-2024 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.