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Update Semantics of Relational Views

... 100 - 499 A database view is a portion of the data structured in a way suitable to a specific on views ...

Publication - erhard - 04/17/2013 - 09:38 - 0 comments - 0 attachments

Composing Schema Mappings: Second-Order Dependencies to the Rescue

... 486.39 KB A schema mapping is a specification that describes how data structured under one schema (the ... schema) is to be transformed into data structured under a different schema (the target schema). A fundamental problem is composing ...

Publication - cat - 04/16/2013 - 19:16 - 0 comments - 1 attachment