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SAP Knowledge Base Article - PreviewSymptom
Aggregation query with:
- count( distinct columnname in projection list
- Sample for illustration
select COUNT( distinct column_name ) from a_table
Only single thread in "Threads diagram" in html query plan
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Environment
SAP IQ 16.0
Product
SAP IQ 16.0
Keywords
count , distinct , performance , query_plan_as_html , single threaded , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed
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