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diff --git a/site/branches/site-20070701-mvnbased/site-author/das_index.xml b/site/branches/site-20070701-mvnbased/site-author/das_index.xml new file mode 100644 index 0000000000..57470d0b77 --- /dev/null +++ b/site/branches/site-20070701-mvnbased/site-author/das_index.xml @@ -0,0 +1,81 @@ +<?xml version="1.0" encoding="UTF-8"?> +<document> + <properties> + <title>Tuscany DAS</title> + <bannertitle>Tuscany DAS</bannertitle> + <author email="luckbr1975@gmail.com">Luciano Resende</author> + <tab>das</tab> + </properties> + <body> + + <section name="Data Access Service - Overview"> + <p>RDB DAS provides robust a generic data access service that provides + transformation capability between SDO data graphs and relational databases and + vise versa. </p> + + <p>By using RDB DAS, applications developers avoid the details and complications + of working directly with a relational database and also the complex transformation + between relational rows/columns and Data Object types/properties. + </p> + + <p>RDB DAS works with SDO to improve your data access performance.The RDB DAS + processes the SDO change summary and produces efficient update statements + that only write to columns that have actually been modified. + </p> + + + <p>The following diagram illustrates these two capabilities in + a typical client interaction.The client + starts by reading a graph of data specified by some query.The client then makes modifications to the + graph, possibly by adding elements, and then requests the DAS to push the + changes back to the database.</p> + + <img src ="images/sdo_das_sm.jpg" alt="DAS Capabilities" align="middle" border="0" height="407" width="600"/> + + <p>To further explore the benefits of DAS please refer to white + paper "DAS White Paper: The Data Access Service" on the <a + href="documentation.html">Documentation + page</a>.</p> + </section> + + <section name="General DAS Documentation"> + <p>Below, there is a list of various links to documents that help to explain various aspects of the + Tuscany DAS subproject and the programming model that it provides. More general documentation + which applies to the Tuscany project as a whole can be found on the + <a href="documentation.html">Tuscany Documentation page</a>. + </p> + + <p> + <table class="bodyTable"> + <tr class="b"> + <td> + <span style="font-weight: bold;">Title</span> + </td> + <td> + <span style="font-weight: bold;">Description</span> + </td> + </tr> + + <tr class="b"> + <td> + <a href='RDB_DAS_white_paper_v-0.2.pdf' target='_blank'>DAS White Paper: The Data Access Service</a> + </td> + <td> + How to access relational data in terms of Service Data Objects + </td> + </tr> + + <tr class="b"> + <td> + <a class="external" rel="nofollow" href='http://java.sys-con.com/read/260053.htm'>JDJ DAS Article</a> + </td> + <td> + How to access relational data in terms of Service Data Objects + </td> + </tr> + </table> + </p> + </section> + + </body> +</document> |