Article - CS390238

Full table scans still preferred over applicable indexes even with optimizer_index_cost_adj set correctly in Windchill PDMLink

Modified: 07-Apr-2023   


Applies To

  • Windchill PDMLink 8.0 to 12.1
  • Oracle

Description

  • Poorly performing Oracle execution plan does not improve and continues to prefer full table scans over using applicable indexes even after changing optimizer_index_cost_adj from 100 to 10
  • Oracle DB report "Full Sql Text And Plans" shows:
  • Note
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       - SQL plan baseline SQL_PLAN_########## used for this statement

 
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