Clesio Saraiva dos Santos

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Evolution and change in data management—issues and directions. JF Roddick A formal model for temporal schema versioning in object-oriented databases. A Query Language for a Versioned Object Oriented Database. Temporal and versioning model for schema evolution in object-oriented databases. Data Knowl. model space that consists of the semantic and the(More)
The Temporal Versions Model (TVM) is an Object Oriented Data Model developed to store the object versions and, for each version, the history of its dynamic attributes and relationships values. In this work, we propose a query language for this model. The language, called Temporal Versioned Query Language-TVQL, is based on SQL, adding new features to recover(More)
We propose a language to define data update during schema versioning in a temporal object-oriented database. With this language, a user can express multi-schema modifications involving extensional data from different schema versions at the same time, improving the database environment with temporal and versioning features concerning database modification.(More)