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2996861 - SYB - Unable to allocate ancillary table for query optimization. Maximum number of tables in a query (91) exceeded

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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