Search: a, Database s.e., 1990

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Schema Evolution and the Relational Algebra

... to support both aspects of transaction time, evolution of a database's contents and evolution of a database's schema. They define a relation's schema to be the relation's ...

Publication - erhard - 04/17/2013 - 08:27 - 0 comments - 0 attachments

Beyond schema evolution to database reorganization

... Habermann, A Year:  ... complex schema changes, but also database reorganization. A database administrator uses a declarative notation to describe mappings ...

Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment