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BaseTen Publisher Description

BaseTen is a new, open source Cocoa database framework for working with PostgreSQL databases, designed with familiar, Core Data -like semantics and APIs. With this 1.0 Release Candidate 1 version, a final 1.0 release is very near and it is safe to start development with the current BaseTen API.

The BaseTen feature highlights include:

BaseTen Assistant imports Core Data / Xcode data models
Discovers the database schema automatically at runtime, including 1-1, 1-many and many-many relationships
Database changes are propagated to clients automatically, without polling
In-memory database objects are uniqued, and objects fetched via relationships are faults by default
Support for RDBMS features like database-driven data validation, multi-column primary keys and updateable views
Autocommit and manual save/rollback modes, both with NSUndoManager integration
A BaseTen-aware NSArrayController subclass automates locking and change propagation
Fetches are specified with NSPredicates (the relevant portions of which are evaluated on the database)



OS: PPC/Intel
Requirements: Mac OS X 10.4 or later, PostgreSQL 8.2 or later.
Whats new:
* Rewrote most of the PostgreSQL interface.
* Added support for various predicate and expression types.
* Unsupported predicates and expressions are now evaluated on the client side.
* Connection loss is handled at least on system sleep.
* Text strings are now stored as decomposed in the database.
* Fixed bugs related to NSKVO compliance of to-one relationships; KVO notifications should now be posted as expected.
* BaseTen Assistant now has a new GUI.
* BaseTen can now connect to databases that haven't been BaseTen enabled.
* Fixed various bugs.

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