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MMDB:FastDB

2009-09-17 13:50:57| 分类： dbms | 标签： |举报 |字号大中小订阅

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Open source DB

- highly efficient main memory database system with real-time capabilities

Main memory DBMS

- The Database file is mapped to the virtual memory space

- Assumes that the whole database is present in RAM then optimizes search algorithms and structures according to this assumption

- No buffer management are needs no data transfer between a database file and buffer pool

Transaction

- supports transactions, online backup and automatic recovery after system crash

- shadow root pages algorithm for transaction commit

- transaction logs are removed

Application

- application-oriented database

- A SQL-like query language is used to specify queries (NOT SQL)

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