Kbase P80059: Does a PRESELECT query cause database reads?
Autor |
  Progress Software Corporation - Progress |
Acesso |
  Público |
Publicação |
  5/11/2004 |
|
Status: Unverified
GOAL:
Does a PRESELECT query cause database reads?
FIX:
Yes, it does. We have to build the result list of ROWIDs and this may require reading of database records along with index records depending on the WHERE clause of the query.