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  • Subject: Re: SQL/400
  • From: Pete Hall <pbhall@xxxxxxxxxx>
  • Date: Tue, 07 Mar 2000 19:03:56 -0600

At 09:17 03/07/2000 , Sandeep Potnis wrote:
>I have a table(TableA) with 38 million rows in it. One of the columns is
>DATE type and I have an index(XDTIndex) on that column.
>
>When I run an interactive query with date selection I get an informational
>message saying 'Building access path from XDTIndex'
>
>Can I avoid this by creating this access path in advance ? If so how?

Start debug (STRDBG) before executing the query. This will cause the query 
optimizer to insert diagnostic messages in the joblog that will describe 
what it is doing. It will tell you if you can build an index that will help.

Pete Hall
pbhall@execpc.com
http://www.execpc.com/~pbhall
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