Articles
Designing Performance-Optimized JDBC Applications, Getting Started with JDBC, JavaWorld Topical Index - Databases, JDBC: A Persistant Storage for Java Objects, The Design of a Robust Persistence Layer for Relat
JDBC
Drivers, DbConnectionBroker, DBPool - Java Database Connection Pooling, FireStorm/DAO Code Generator for JDBC, IronGrid, Inc, Java Client Database (JCDatabase), Java Guru - JDBC FAQ, JDBC API, JDBC Drivers and Vendors, JDBCFacade, JDBCPool
Object Persistence
JDO, Abra, Apache OJB, CarrierWave, COBRA, CocoBase Enterprise O/R, DB Objects for Java, DB Visual Architect, DODS (Data Object Design Studio), FireStorm/DAO, FormPers
Tools
Aqua Data Studio, Cache Monitor, DataBrowser, DataDirect Connect for SQL/XML, DB Solo, db2db, DbVisualizer, Eclipse Database, Elixir Report, Emeraldjb
XML
DataDirect XQuery, DB2XML, eXist, Infonyte GmbH, JArtifex, JET Code Generator, JSX, PolarLake Database Integrator, X-Hive/DB, XchainJ
CrossDB
An open source Java API for writing object oriented SQL statements that will run on any database. [Open source]
Java Database Tools, Products and Resources
Extensive list of utilities for OO, OR and relational database application development in Java.
JSQL Product Suite
http://www.cariboulake.com/jetspeed/portal/user/anon/page/default.psml/js_pane/SoftwareProducts/Disp
Classes for RDBMS server support, such as connection pooling, authentication, and caching. [Commercial]
PolePosition
An open source Java database benchmark framework and results. [Open source, GPL]
The Apache DB Project
Project charged with the creation and maintenance of commercial-quality, open-source, database solutions. Mailing list signup, guidelines, repositories, and proposals.