Perst 3.0 Embedded Database Released
McObject has released version 3.0 of its open source embedded database targeted at Java and .NET developers. As any other embedded database, Perst has no administration costs, but unlike other embedded databases, Perst stores the objects directly as Java or C# objects. That eliminates the need for conversions between internal representation of objects and Java/C# representations.
McObject boasts with a very small database engine core of about 5,000 lines, and the run-time needs between 30K and 300K of memory depending on access pattern. Perst works under Java SE, EE, and ME, and also under .NET including .NET Compact Framework. Other features are:
- Garbage collection
- Detection of hanging references
- Automatic schema evolution
- XML import/export utilities
- Master-slave replication support
- An SQL subset to filter elements of any collection
- Integration with AspectJ and JAssist AOP tools
Difference between Perst and eXtremeDB
Perst and eXtremeDB are separate and different products -- eXtremeDB is not the commercial version of Perst.
eXtremeDB is McObject's commercial embedded database system for use with C and C++. Perst is our open source, dual license embedded database for Java and .NET.
Both are well worth checking out if you need a small-footprint, highly efficient, full-featured database system in these environments.
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