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

... Pons, A; Keller, R. K. Author:  Pons, A Keller, R ...

Publication - cat - 07/03/2022 - 23:42 - 0 comments - 0 attachments

... 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

... on existing evolution support schemes and introduces a more general and functional mechanism to support schema evolution andinstance ... compatibility for old applications, while permitting a wider range of evolution operations. It achieves this by supporting schema ...

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

... 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

... components. We show that data independence, which is a neglected concept in object databases, helps to avoid reorganizations in case ... and reducing schema transformations. We informally present a couple of examples to illustrate the idea of a schema transformation ...

Publication - cat - 04/17/2013 - 07:05 - 0 comments - 0 attachments

... 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

... systems) with multimedia documents. At MCC we have built a prototype object-oriented database system, called ORION. It adds persistence ... schema evolution, that is, the ability to dynamically make a wide variety of changes to the database schema. In this paper, following a ...

Publication - cat - 04/17/2013 - 06:05 - 0 comments - 0 attachments

... 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

... 0 Citations range:  n/a Attachment Size ... is modified, the database needs to be changed in such a way that the schema and the database remain consistent with each other. ...

Publication - cat - 04/16/2013 - 11:27 - 0 comments - 1 attachment

... 0 Citations range:  n/a A `reasonable' minimal set of primitives for ...

Publication - cat - 04/16/2013 - 08:16 - 0 comments - 0 attachments

... More than ever before schema transformation is a prevalent problem that needs to be addressed to accomplish for example the ... Such schema transformations are typically composed of a sequence of schema evolution operations. The execution of such sequences can ...

Publication - cat - 04/16/2013 - 07:49 - 0 comments - 1 attachment

... and incremental development. On the schema level, a firm restriction in this evolution is that it can only be done by evolving class hierarchies downwards by subclassing. We show a unified approach to class evolution in object-oriented databases, where class ...

Publication - cat - 04/16/2013 - 05:27 - 0 comments - 0 attachments

... 1 - 9 In this paper, we propose a schema versioning mechanism to manage the schema evolution in temporal ...

Publication - cat - 04/16/2013 - 04:38 - 0 comments - 0 attachments

... objects should be traceable. In this paper we propose a method for managing schema changes by exploiting the functionality of a temporal object model. The result is a uniform treatment of schema ...

Publication - cat - 04/16/2013 - 03:38 - 0 comments - 0 attachments

... Claypool, K.T.; Rundensteiner, E.A.; Heineman, G.T. Author:  ... propose comprehensive support for relationship evolution. A complete schema evolution facility for any OODB system must provide (1) ...

Publication - cat - 04/16/2013 - 02:49 - 0 comments - 1 attachment

... 105.98 KB The multiobject mechanism is a pertinent way to implement specialization in an object database and differs ...

Publication - cat - 04/16/2013 - 02:38 - 0 comments - 1 attachment

... with regard to database applications. Finally, we propose a declarative language based on OQL, the ODMG query language, that the user ...

Publication - cat - 04/16/2013 - 02:27 - 0 comments - 1 attachment

... 0 Citations range:  n/a Attachment Size ... designers building up object database schemata require a more abstract level. This paper addresses new facilities for updating a ...

Publication - cat - 04/16/2013 - 02:27 - 0 comments - 1 attachment

... This paper addresses the design of a schema evo- lution framework enabling an efficient management of object ... we provide operations for immediate refreshing of a database to enable an ef- ficient manipulation of versions by a large ...

Publication - cat - 04/16/2013 - 01:38 - 0 comments - 0 attachments

Authors:  Odberg, E Author:  Odberg, E Year:  ...

Publication - cat - 04/16/2013 - 01:16 - 0 comments - 0 attachments

... completely lack schema evolution facilities, or offer a restricted set of special purpose schema evolution operators supporting ...

Publication - cat - 04/16/2013 - 01:16 - 0 comments - 0 attachments

... 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