Symptom
- A 251 message, "Unable to allocate ancillary table for query optimization. Maximum number of tables in a query (91) exceeded" may be be reported when more than 91 worktables are required internally by to execute a query.
- For Business Suite, you may see sql error 251 reported in dev_w* file:
C (251) [ZZZZZ] [SAP][ASE ODBC Driver][Adaptive Server Enterprise]Unable to allocate ancillary t
C able for query optimization. Maximum number of tables in a query (91) exceeded.
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Environment
- SAP Adaptive Server Enterprise (ASE) 15.7
- SAP Adaptive Server Enterprise (ASE) 16.0
- SAP Adaptive Server Enterprise (ASE) 15.7 for Business Suite
- SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
Product
SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0
Keywords
Msg 251, 251, worktables, ancillary, 91 , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed
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