Symptom
- After upgrading from ASE 15.0.2 to ASE 15.7, a specific sql statement is running slowly (performance issue).
- The same sql statement executed for 30 seconds on ASE 15.0.2 but it would take about 5 minutes on ASE 15.7.
- The sql has the following attributes:
- Nested loop joins
- IsNull
- Distinct
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Environment
- SAP Adaptive Server Enterprise (ASE) 15.0.2
- SAP Adaptive Server Enterprise (ASE) 15.7
- SAP Adaptive Server Enterprise (ASE) 16.0
Product
SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0
Keywords
optimizer, showplan , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , How To
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