× 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. RPG400-L
  3. April 2011

Re: SQL Optimizer Not Using Access Path

On 4/6/11 12:12 PM, Hohlen, Kent wrote:
I wrote an interactive RPG program using embedded SQL to retrieve
records from a rather large file (3 million records). It was
performing poorly and I noticed that there wasn't an access path
that matched how I was ordering the records. <<SNIP>> The access path
keys match the order by fields. <<SNIP>>

Best to create access paths with the WHERE clause foremost in mind, rather than with [any] consideration for the ORDER BY clause.

Regards, Chuck

As an Amazon Associate we earn from qualifying purchases.

This thread ...
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.