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<H2><A name="DASJavaReleaseContents-LatestRelease%3ARDBDASBeta2Release"></A>Latest Release: RDB DAS Beta2 Release </H2>
<P><B>Download <A href="das-downloads.html" title="DAS Downloads">RDB DAS Beta2 Release </A></B></P>
<P>What's new in Apache Tuscany DAS beta2?</P>
<P> The main purpose of the DAS beta2 release is to fix incompatibilities that were found with SDO 1.0 release.</P>
<P> The following JIRAs also were fixed on DAS beta2</P>
<UL>
<LI>TUSCANY-986 - DAS integration with SDO 2.1 APIs</LI>
<LI>TUSCANY-961 - DAS: Using deprected SDO method causes Type lookup failure</LI>
<LI>TUSCANY-1353 - Exception attempting to insert rows using DAS w/DataDirect JDBC driver</LI>
<LI>TUSCANY-1453 - DAS can't read or write the blob field</LI>
<LI>TUSCANY-1463 - Support for Clob and Array fields</LI>
<LI>TUSCANY-1462 - Consistent use of Parameters in Config</LI>
<LI>TUSCANY-1464 - Wrong query results when SELECT misses PKs</LI>
<LI>TUSCANY-1465 - Allow passing ResultDescriptor for dynamic Commands</LI>
<LI>TUSCANY-1720 - Modify sample readmes for - steps to run sample with other databases</LI>
</UL>
<H2><A name="DASJavaReleaseContents-Previousreleasescontent"></A>Previous releases content </H2>
<H3><A name="DASJavaReleaseContents-DASBeta1ReleaseKeyFeatures"></A>DAS Beta1 Release - Key Features</H3>
<P>What's new in Apache Tuscany DAS beta1?</P>
<UL>
<LI>Support for J2SE connections in DAS config using Driver Manager.</LI>
<LI>Added support for multiple database schemas in queries</LI>
<LI>Enhanced Optimistic Concurrency Control with overqualified updates</LI>
<LI>Multiple enhancements around ApplyChanges API</LI>
<LI>Enhanced support for MySQL</LI>
<LI>Enhanced Documentation: User, Developer and Architect guides as well as javadocs</LI>
<LI>Enhanced and new sample applications</LI>
</UL>
<H3><A name="DASJavaReleaseContents-DASM2ReleaseKeyfeatures"></A>DAS M2 Release - Key features </H3>
<P>Tuscany DAS is an implementation of a DAS RDB (relational database) with following key features :</P>
<UL>
<LI>DAS Core features
<UL>
<LI>MySQL support</LI>
<LI>Static Data Objects</LI>
<LI>Dynamic root for static graphs</LI>
<LI>"Unique" attribute on relationships</LI>
<LI>Explicit ResultSet shape definition</LI>
<LI>Improved logging</LI>
<LI>Programmatic Configuration</LI>
<LI>Helper for empty SDO Graph</LI>
<LI>Convention over configuration
<UL>
<LI>Column named "ID" is the PK</LI>
<LI>Column named "xxx_ID" is the FK to table "xxx"</LI>
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</LI>
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<LI>DAS Samples
<UL>
<LI>Tomcat integration and automated DAS samples testing (htmlUnit)</LI>
<LI>DAS Samples now have all dependencies and source code inside the sample war</LI>
</UL>
</LI>
</UL>
<P>To download DAS M2 Release go to <A href="das-downloads.html" title="DAS Downloads">DAS Downloads</A> page</P>
<H3><A name="DASJavaReleaseContents-DASM1ReleaseKeyFeatures"></A>DAS M1 Release - Key Features</H3>
<P>Tuscany DAS is an implementation of a DAS RDB (relational database) with following key features :</P>
<UL>
<LI>RDB CRUD operations in terms of SDO DataObjects</LI>
<LI>Optimistic concurrency control</LI>
<LI>Generated database IDs</LI>
<LI>Stored procedures</LI>
<LI>Paging API</LI>
<LI>1..1 and 1..n relationships</LI>
<LI>Partial row updates</LI>
</UL>
<P>To download DAS M1 Release go to <A href="das-downloads.html" title="DAS Downloads">DAS Downloads</A> page</P>
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