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On-line Schema Update for a Telecom Database

... to block any type of transactions. We show in this paper a method to handle schema changes which is based on a transaction oriented change with the aid of triggers. The old and the new ...

Publication - cat - 04/16/2013 - 07:16 - 0 comments - 0 attachments

Efficient Maintenance of Temporal Data Warehouses

... 48.74 KB A temporal data warehouse can be defined as a set V of materialized views over non-temporal sources. We present a self-maintainable temporal data warehouse that, besides a set of temporal ...

Publication - huliganka - 04/16/2013 - 06:27 - 0 comments - 1 attachment