This article has multiple issues. Communication is implemented through messaging. It was developed, commercially licensed and supported by Actian. More complex class model modifications, like field name change, field type change, hierarchy move are not automated out-of-the box, but can be automated by writing small utility update program see documentation. NET version includes the corresponding Compact Framework release.

db4o source code

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Please help improve this article if you can. LINQ allows the creation of object-oriented queries of any complexity with the benefit of compile-time checking, IDE Intellisense integration and automated refactoring.

db4o source code

This article relies too much on references to primary sources. This page was last edited on 25 Septemberat The community of db4o registered members grew to over 60, members. Developers using relational databases can view db40 as a complementary tool.

Native Queries also provide type safetyas well as remove the need to sanitize against soirce injection see SQL Injection. A major contributor to this article appears to have a close connection with its subject. October Learn how and when to remove this template message. The db4o project was started in by chief architect Carl Rosenberger, shipping in Please improve this by adding secondary or tertiary sources. Retrieved March 17, NET environment, for example Java client.


This sourcf can be viewed as an advantage over relational model, where any change in the schema results in mostly manual code review and upgrade to match the schema changes. This build is open to community and can be used to evaluate the latest changes and acquire the newest features.

Stable version is meant to be used in final soirce shipment. The drawbacks and difficulties faced by other Object Databases also apply to Db4o:. It can be any application class including third-party classes contained in referenced libraries. December Learn how and when to remove this template message.

db4o Open Source Object Database

It was developed, commercially licensed and supported by Actian. This article has multiple issues. SomeClass here does not require any interface implementations, annotations or attributes added.

db4o source code

It was used in enterprise and academic applications prior to its commercial announcement in by newly created private company Db4objects Inc. However, this mode has limitations.

The community votes for most important features and most critical bugs is taken into consideration when defining the road map and weekly iteration plans. Production version is meant to be used in production environment and includes features that have been already evaluated and proven by time. Last Versant release db4o Please help improve it or discuss these issues on the talk page.


Db4o source download

Development with db4o database does not require a separate data model creation, the application’s class model defines the structure of the data. NET version includes the corresponding Compact Framework release. From the db4o version 7. Due to a feature referred to as “Generic Reflection”, db4o can work without implementing ckde classes on the server. OME was initially suggested to customers as a commercial product only available to dDN subscribers.

No cleanup reason has been specified. April Learn how and when to remove this template message. As an embedded database db4o can be run in application process.