SAP Knowledge Base Article - Preview

3121228 - QP choose wrong index when use union in view

Symptom

QP pick up table scan instead use index scan when view have union.
If split it to two views, and use union outside of view, QP can choose index scan.


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Environment

SAP ASE 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Product Enhancement

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