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AutoSQL provides a simple and easy to use framework meant to be a substitute for J2EE Entity beans and JDO. AutoSQL data objects give just the right abstraction from a writing SQL without being too far removed from the power of SQL.
rdb2oo is a project to create source code for classes which correspond to tables in a relational database.
rdb2oo is also about creating an object oriented abstraction layer for simple database access.
BEEJ is a Boolean Expression Editor for Java. This library provides a GUI interface to build complex (or simple) expressions with your options as a base component.
Cartographer is a simple,efficient object relational mapper engine. It provides rapid access to relational data using lightweight data and factory java objects.
Converts XML files and/or SQL schemas into Java sources. Types of variables are determined from the sample values. Attributes and elements are treated the same, making writing the XML very simple. Directives are given in the java: and sql: namespaces.