Schema Evolution publication categorizer

... 970.14 KB In relational databases a view definition is a query against the database, and ... materialization over a database may change as relations in the database undergo modificationsIn this paper a mechanism is proposed in which the view is materialized at all times The problem which this mechanism ...

Publication - cat - 04/17/2013 - 08:05 - 0 comments - 1 attachment

... to the original one. This question was addressed in the literature with respect to those relational schemes that satisfy the so ... \"tractable\" We are able to test losslessness defined in such a way for a wide class of relational expressions and dependencies. An ...

Publication - huliganka - 04/17/2013 - 00:27 - 0 comments - 1 attachment