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项目描述

db4o is an object database for Java and all .NET environments. Its features include ACID transactions, automatic class schema recognition, query-by-example, a S.O.D.A. object querying API, native queries, LINQ support on .NET, callback methods, memory files, cascade-on-delete, multi-threaded access, and Java Webstart and servlet support.

系统要求

System requirement is not defined
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.

2007-11-22 01:53
7.0

这一发展新闻稿中包含的透明激活，只有一个实例需要从数据库中的对象机制的基本架构。它也包括所有已在整个工作于去年改进：调谐嵌入式客户端服务器，缓存IoAdapter，成批的客户端服务器消息，一个新的自由空间管理器，并彻底修改异常处理。
标签: Development, Major feature enhancements
This development release contains the basic architecture for Transparent Activation, a mechanism that only instantiates required objects from the database. It also includes all improvements that have been worked on throughout the last year: Tuned Embedded Client-Server, Cached IoAdapter, Batched Client-Server Messages, a new Freespace Manager, and completely revised exception handling.

2007-11-02 22:52
6.4

这一事态发展，包括建立一个新的嵌入式客户端/服务器机制，以相同的性能和资源消耗为单用户模式的特色来自本地。此版本经历了非常沉重的压力测试多核心设备和大量的客户。核心代码已被分支，而6.4分行将予以保留，成为'生产'和'稳定'的质量。
标签: Development, Major feature enhancements
This development build includes a new embedded Client/Server mechanism that comes with the same performance-and resource-consumption-characteristics as single user local mode. This build has undergone very heavy stress testing on multi-core machines and with large numbers of clients. The core code has been branched, and the 6.4 branch will be maintained to become 'production' and 'stable' quality.

2007-08-31 15:14
6.3

这是一个稳定性和性能方面释放。最值得注意的是，它是第一个生产db4o的质量完全修订异常处理释放。
标签: .NET, Major bugfixes
This is a stability and performance release. Most
notably, it is the
first production quality release of db4o with
completely revised
exception handling.

2007-08-28 16:36
6.3

此版本是一个稳定和性能释放。最值得注意的是，它是第一个生产db4o的质量完全修订异常处理释放。
标签: Java, Major bugfixes
This release is a stability and performance
release. Most notably, it is the first production
quality release of db4o with completely revised
exception handling.

2007-06-20 16:29
6.3

此版本带有一个针对OSGi的专用版本。它还包括近期的表现显着一个新的IoAdapter缓存，客户机/服务器消息配料的增强。一种新的BTree基于FreespaceManager允许使用更少的内存消耗和零运行空间就异常终止的损失，例如在关闭在一个手持提交中间。新的承诺为推动回调允许客户端更新/服务器模式。透明的激活非常首次实施也包括在内。
标签: Development, Major feature enhancements
This release comes with a dedicated version for
OSGi. It also includes significant recent
performance enhancements based on a new IoAdapter
cache and Client/Server message batching. A new
BTree-based FreespaceManager allows running with
less memory consumption and zero-space-loss on
abnormal terminations, for instance when turning
off a handheld in the middle of a commit. New
committed callbacks allow pushed updates for
Client/Server mode. A very first implementation of
Transparent Activation is also included.

Project Resources

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