Extending Logging for Database Snapshot Refresh

  title={Extending Logging for Database Snapshot Refresh},
  author={Bo K{\"a}hler and Oddvar Risnes},
A database snapshot mechanism rcprcsents a cost effectivc substitute for replicated data in a distributed database. The contents of a database snapshot can be periodically refreshed to reflect the current state of the database. In a distributed database system it is sign& icant to reduce the cost of snapshot refresh. This can be obtained by a differential refresh strategy in which modifications to the base tables involved are detected. The paper proposes two methods based on using a separate… CONTINUE READING


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