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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 005" /> <title>Description of the illustration tdpii505.eps</title> </head> <body> <p>This illustration shows an Oracle Streams two-database replication environment that includes the following Oracle databases:</p> <ul> <li> <p><code>sync1.example.com</code></p> </li> <li> <p><code>sync2.example.com</code></p> </li> </ul> <p>The <code>sync1.example.com</code> database has the following Oracle Streams components configured:</p> <ul> <li> <p>The following queues: <code>capture_queue</code> and <code>apply_queue</code>.</p> </li> <li> <p>A synchronous capture named <code>sync_capture</code> that captures DML changes to the <code>hr.employees</code> and <code>hr.departments</code> tables. The synchronous capture enqueues these changes into the local <code>capture_queue</code> queue.</p> </li> <li> <p>A propagation named <code>send_emp_dep</code> that sends changes from the local <code>capture_queue</code> queue to the <code>apply_queue</code> queue at <code>sync2.example.com</code>.</p> </li> <li> <p>An apply process named <code>apply_emp_dep</code> that dequeues changes that originated at <code>sync2.example.com</code> from the <code>apply_queue</code> queue and applies them to the <code>hr.employees</code> and <code>hr.departments</code> tables.</p> </li> </ul> <p>The <code>sync2.example.com</code> database has the following Oracle Streams components configured:</p> <ul> <li> <p>The following queues: <code>capture_queue</code> and <code>apply_queue</code>.</p> </li> <li> <p>A synchronous capture named <code>sync_capture</code> that captures DML changes to the <code>hr.employees</code> and <code>hr.departments</code> tables. The synchronous capture enqueues these changes into the local <code>capture_queue</code> queue.</p> </li> <li> <p>A propagation named <code>send_emp_dep</code> that sends changes from the local <code>capture_queue</code> queue to the <code>apply_queue</code> queue at <code>sync1.example.com</code>.</p> </li> <li> <p>An apply process named <code>apply_emp_dep</code> that dequeues changes that originated at <code>sync1.example.com</code> from the <code>apply_queue</code> queue and applies them to the <code>hr.employees</code> and <code>hr.departments</code> tables.</p> </li> </ul> </body> </html>
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