SAP Knowledge Base Article - Preview

2776119 - Performance of query with union all clause degraded in 16.1 as compared to 15.x -- SAP IQ

Symptom

After upgrading SAP IQ from IQ15.4 esd7 to IQ16 sp03+, query performance with "union all" clause degrades significantly.


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Environment

IQ 16.1 SP03+

Product

SAP IQ 16.1

Keywords

performance , union all , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed

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