SAP Knowledge Base Article - Preview

3126073 - Table join on columns with different datatype are very slow

Symptom

IQ optimizer is not able to choose fastest possible join algorithm when predicate datatypes do not match.
Even though matching predicate datatypes is best practice, it may not be possible in every production scenario.


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Environment

SAP IQ 16.1 SP04 PL09+

Product

SAP IQ 16.0

Keywords

KBA , BC-SYB-IQ , Sybase IQ , Problem

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