PROQID: partial restarts of queries in distributed databases

  title={PROQID: partial restarts of queries in distributed databases},
  author={Jon Olav Hauglid and Kjetil N\orv{\aa}g},
In a number of application areas, distributed database systems can be used to provide persistent storage of data while providing efficient access for both local and remote data. With an increasing number of sites (computers) involved in a query, the probability of failure at query time increases. Recovery has previously only focused on database updates while query failures have been handled by complete restart of the query. This technique is not always applicable in the context of large queries… CONTINUE READING


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