Bases de données
Journalisation – Introduction
La Journalisation est au coeur de la robustesse des databases, c’est l’ensemble des processus caractéristiques de ce concept qui place Oracle en première ligne parmi tous les logiciels de bases de données relationnelles professionnelles.
La journalisation des données des bases Oracle peut globalement être approchée selon trois axes :
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Muzing on NoSQL, damned ! Can’t get rid of InifiniDB
NoSQL have been frequently used for building analytic solutions. The big picture is using some scalable client code with map reduce to distribute full data scan.
This approach have nothing new to the RDBMS world and can be considered an extension of the Kimball ROLAP normalization,
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20% to 50% improvement in MariaDB 5.3 Handler Interface using prepared statement
Following a previous post using MySQL as a NoSQL store with the native Handler Interface, some refactoring have now been coded in MariaDB-5.3 as described in the following worklog
On concurrency, doing less work in HANDLER READ to put
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