Schema Evolution publication categorizer

... Skarra, A Zdonik, S ... such may be modified and shared. The effects of changing a type extend to objects of the type and to programs that use objects of the ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 1 attachment

... design (CAD) systems. In this paper we address a broad spectrum of semantic and operational issues in version control for a public/private distributed architecture of CAD systems. The research issues ...

Publication - cat - 07/28/2016 - 08:29 - 0 comments - 0 attachments

... KB This paper describes work carried out on a model for the versioning of class definitions in an object-oriented database. ... on attributes of the previous and current version of a class definition, instances of any version of the class can be converted to ...

Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment

... 420.56 KB Schema evolution is a problem that is faced by long-lived data. When a schema changes, existing persistent data can become inaccessible unless the ... the database maintainer can perform. We have developed a model of type changes involving multiple types. The model describes both type ...

Publication - erhard - 04/17/2013 - 10:05 - 0 comments - 1 attachment

... 100 - 499 When a database is shared by many users, updates to the database schema are almost always prohibited because there is a risk of making existing application programs obsolete when they run against ...

Publication - cat - 04/17/2013 - 06:38 - 0 comments - 0 attachments

... they seldom support automatic propagation mechanisms. A proposal is described that enables Sherpa to fully support the propagation of ... It extends previous classification mechanisms with a dynamic capability which adequately supports evolving class definitions and ...

Publication - cat - 04/16/2013 - 18:49 - 0 comments - 1 attachment

... 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

... 1.28 MB This paper presents a version model which handles database schema changes and which takes evolution ... development of partial schema versions, or views of a schema. These versions are created in the same database from a common ...

Publication - cat - 04/16/2013 - 11:38 - 0 comments - 1 attachment

... multiple copies of object descriptions have to coexist in a single database. A scheme is proposed that enables users to explicitly deal with these object ...

Publication - cat - 04/15/2013 - 22:49 - 0 comments - 0 attachments

... exclusively on versioning single design objects. In a multi-user design environment where the schema (definition) of the design ... the single design objects. In this paper, we propose a model of versions of schema by extending our model of versions of single ...

Publication - cat - 04/15/2013 - 21:05 - 0 comments - 1 attachment