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Schema Transformation Techniques for Database Reverse Engineering

... DBRE is proposed as a two-phase process consisting in recovering the DBMSdependent data structures (data structure extraction) then in recovering their semantics (data structure conceptualization). The second ...

Publication - cat - 04/17/2013 - 09:38 - 0 comments - 1 attachment

A model for schema evolution in temporal relational databases

... CompEuro93; Computers in Design URL:  ... transaction time and valid time are added to the data. In this context, the modification of the schema which a database management ...

Publication - cat - 04/17/2013 - 06:49 - 0 comments - 0 attachments

A Taxonomy for Schema Versioning Based on the Relational and Entity Relationship Models

... Recently there has been increasing interest in both the problems and the potential of accommodating evolving schema in databases, especially in systems which necessitate a high volume of ...

Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments

A Procedural Approach to Schema Evolution

... If not performed with care, updates can cause problems. In this paper, we present a procedure which safely adds a fact type to a ...

Publication - cat - 04/15/2013 - 21:38 - 0 comments - 1 attachment