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3063322 - SQL contain subquery run extremely slow after upgrade from 15.4 to 16 - SAP IQ

Symptom

  • After upgrade from 15.4 to 16.0 SP11 PL25, SQL contain subquery run extremely slow.
  • Query plan contains Nested-Loop or SubQuery Filter.


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Environment

SAP IQ 16.0

Product

SAP IQ 16.0 ; SAP IQ 16.1 ; SAP Sybase IQ 15.4

Keywords

subquery , KBA , BC-SYB-IQ , Sybase IQ , Known Error

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