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<A href="home.html" title="Apache Tuscany">Apache Tuscany</A> > <A href="home.html" title="Home">Home</A> > <A href="das-overview.html" title="DAS Overview">DAS Overview</A> > <A href="das-java.html" title="DAS Java">DAS Java</A> > <A href="das-java-releases.html" title="DAS Java Releases">DAS Java Releases</A> > <A href="" title="Latest Release - Apache Tuscany Data Access Service">Latest Release - Apache Tuscany Data Access Service</A>
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<H2><A name="LatestRelease-ApacheTuscanyDataAccessService-LatestRelease%3ARDBDASBeta1Release"></A>Latest Release: RDB DAS Beta1 Release </H2>
<P><B>Download <A href="das-downloads.html" title="DAS Downloads">RDB DAS Beta1 Release </A></B></P>
<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>
<H2><A name="LatestRelease-ApacheTuscanyDataAccessService-Previousreleasescontent"></A>Previous releases content </H2>
<H3><A name="LatestRelease-ApacheTuscanyDataAccessService-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>
</UL>
</LI>
</UL>
</LI>
<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="LatestRelease-ApacheTuscanyDataAccessService-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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