Search: 0, 0, 0, 0, a, Database s.e., Conference, 1993

user warning: Table './pubs_se/watchdog' is marked as crashed and should be repaired query: INSERT INTO watchdog (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (0, 'faceted_search', '%text.', 'a:1:{s:5:\"%text\";s:42:\"0 0 0 0 a taxonomy:9.11,43 field_year:1993\";}', 5, '<a href=\"/se/pubs/results/0%200%200%200%20a%20taxonomy%3A9.11%2C43%20field_year%3A1993\" class=\"active\">results</a>', 'http://pubs.dbs.uni-leipzig.de/se/pubs/results/0%200%200%200%20a%20taxonomy:9.11,43%20field_year:1993', '', '172.17.0.129', 1735458697) in /home/pubs/htdocs_pubs/modules/dblog/dblog.module on line 146.
3 results

Results

A model for schema evolution in temporal relational databases

... Scalas, M.R.; Cappelli, A; DeCastro, C. Author:  ... M Cappelli, A DeCastro, C ...

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

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

... in databases, especially in systems which necessitate a high volume of structural changes or where structural change is difficult. This paper presents a taxonomy of changes applicable to the Entity-Relationship Model together with ...

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

A Procedural Approach to Schema Evolution

... updates can cause problems. In this paper, we present a procedure which safely adds a fact type to a conceptual schema. This procedure, as well as being used for ...

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