SAP Knowledge Base Article - Preview

2486154 - How to increase performance on altering a table column ?

Symptom

  • There is a business requirement to change the data type of a column from numeric(7,0) to numeric(9,0).
  • Some of the tables are huge and are taking more than 48 hours.
  • Tried doing straight alters and by dropping indices first and recreating them after the alters.
  • But, both these methods are taking about the same time.

Can you please advise on the strategies and server config parameters we should use?


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Environment

SAP Adaptive Server Enterprise

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , How To

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