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Search: in, relational, Sigmod / VLDB, n/a
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- Online, asynchronous schema change in F1
... We introduce a protocol for schema evolution in a globally distributed database management system with shared data, ... Our protocol is asynchronous--it allows different servers in the database system to transition to a new schema at different times--and ...
Publication - cat - 10/24/2013 - 14:57 - 0 comments - 0 attachments
- On lossless tranformation of databases schemes not necessarily satisfying universal instance assumption
... to the original one. This question was addressed in the literature with respect to those relational schemes that satisfy the so ... \"tractable\" We are able to test losslessness defined in such a way for a wide class of relational expressions and dependencies. An ...
Publication - huliganka - 04/17/2013 - 00:27 - 0 comments - 1 attachment
- Scalable Architecture and Query Optimization for Transaction-time DBs with Evolving Schemas
... causes major usability and scalability problems in preservation,retrieval and querying of databases with intense evolution ... hundreds of schema versions.This scenarios are common in web information systems and scientific databases that frequently accumulate ...
Publication - krlis1337 - 04/16/2013 - 08:05 - 0 comments - 0 attachments