On-Line Warehouse View Maintenance for Batch Updates

  title={On-Line Warehouse View Maintenance for Batch Updates},
  author={Dallan QuassStanford Universityquass and Jennifer WidomStanford Universitywidom},
  booktitle={SIGMOD 1996},
Data warehouses store materialized views over base data from external sources. Clients typically perform complex read-only queries on the views. The views are refreshed periodically by maintenance transactions, which propagate large batch updates from the base tables. In current warehousing systems, maintenance transactions usually are isolated from client read activity, limiting availability and/or size of the warehouse. We describe an algorithm called 2VNL that allows warehouse maintenance… CONTINUE READING


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