From 200a40b332420f94992eb39a6d0ea1cf1490ffc4 Mon Sep 17 00:00:00 2001 From: coreyg Date: Fri, 21 Nov 2014 09:30:19 +0000 Subject: Adding tuscany's website to their svn repo for svnpubsub git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1640879 13f79535-47bb-0310-9956-ffa450edef68 --- site/trunk/site-publish/das-java.html | 139 ++++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 site/trunk/site-publish/das-java.html (limited to 'site/trunk/site-publish/das-java.html') diff --git a/site/trunk/site-publish/das-java.html b/site/trunk/site-publish/das-java.html new file mode 100644 index 0000000000..3efdcdde54 --- /dev/null +++ b/site/trunk/site-publish/das-java.html @@ -0,0 +1,139 @@ + + + + + + + + + + + + + + + Apache Tuscany : DAS Java + + + + + + + + + + + + + + + +
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DAS Java
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What is RDB Data Access Service?

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RDB DAS provides provides transformation capability between SDO data graphs and relational databases and vise versa.

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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 SDO Data Object types/properties.

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RDB DAS processes the SDO change summary and produces efficient update statements that only write to columns that have actually been modified.

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The following diagram illustrates a DAS client. 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.

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