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Oracle Rdb
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==Architecture== Rdb is built on top of a low-level database kernel named '''KODA''', which handles functionality such as locking, journaling, and buffering of data.<ref>{{cite web|url=https://www.oracle.com/technetwork/database/database-technologies/rdb/predicate-estimation-129333.pdf|title=Guide to Database Performance and Tuning: Predicate Estimation|author=Mark Bradley|publisher=Oracle Corporation|date=August 2003|access-date=2021-01-29}}</ref> The KODA kernel is shared with Oracle's [[CODASYL]] DBMS (originally known as VAX DBMS) which is a [[network database model|network model]] database.<ref>{{cite conference|title=KODA - The Architecture And Interface Of A Data Model Independent Kernel|author1=Gopalan Arun|author2=Ashok Josh|date=August 1998|conference=VLDB '98: Proceedings of the 24rd International Conference on Very Large Data Bases|publisher=Morgan Kaufmann Publishers Inc.|citeseerx=10.1.1.106.8846 }}</ref>
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