SAP Knowledge Base Article - Preview

2567394 - Lock Compatibility and Lock Sufficiency - SAP ASE

Symptom

Lock compatibility and lock sufficiency are two basic concepts that support issues of locking and concurrency.

  • Lock compatibility – if a task holds a lock on any resource (for example, row, page, partition, or table) can another task also hold a lock on the same resource?
  • Lock sufficiency, for the current task – is the current lock held on any resource (for example, row, page, partition, or table) sufficient if the task needs to access the resource again?

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Environment

  • SAP Adaptive Server Enterprise (ASE)
  • SAP Adaptive Server Enterprise Cluster Edition (ASE CE)

Product

SAP Adaptive Server Enterprise 12.5 ; SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 15.7 Cluster Edition ; SAP Adaptive Server Enterprise 16.0 ; Sybase Adaptive Server Enterprise 12.5 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.0 ; Sybase Adaptive Server Enterprise Cluster Edition 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.7

Keywords

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Problem

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