<html> <head> <title>JDO Transactions</title> </head> <body text=#FFFFFF bgcolor=#000080 link=#000080 vlink=#800000 alink=#000080> <center> <a href="text0.htm">First page</a> <a href="text20.htm">Back</a> <a href="text22.htm">Continue</a> <a href="text41.htm">Last page</a> <a href="img21.htm">Graphic</a></center><br> <h1><b>JDO Transactions</b></h1><p> <ul><li><h2><b>Persistent objects</b></h2> <ul><li>A view of database entities in memory <li>Changes in memory are made durable when transaction commits </ul><li><h2><b>Transactions</b></h2> <ul><li>Record objects that were loaded/created <li>Singular view of entity, concurrency locking <li>Reflects changes (incl. relations) at commit </ul></ul></body> </html>
