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    <title>Enabling Replication in the SQL Layer</title>
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        <p>Library Version 11.2.5.3</p>
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          <th colspan="3" align="center">Enabling Replication in the SQL Layer </th>
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          <td width="20%" align="left"><a accesskey="p" href="upgrade_11gr2_52_rep_2site_strict.html">Prev</a> </td>
          <th width="60%" align="center">Chapter 10. 
        Upgrading Berkeley DB 11.2.5.1 applications to Berkeley DB 11.2.5.2
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            <h2 class="title" style="clear: both"><a id="upgrade_11gr2_52_rep_sql"></a>Enabling Replication in the SQL Layer </h2>
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        <dl>
          <dt>
            <span class="sect2">
              <a href="upgrade_11gr2_52_rep_sql.html#idp962696">New Pragmas</a>
            </span>
          </dt>
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      <p>
        Replication can now be enabled and configured in the SQL layer
        using pragmas.  The pragmas
        <code class="literal">replication_local_site</code>,
        <code class="literal">replication_initial_master</code>, and
        <code class="literal">replication_remote_site</code> can be used to configure
        the replication group.  Note that when the BDB SQL replicated
        application is initially started, a specific master site must be
        explicitly designated.  After configuring the replication group,
        start replication using <code class="literal">PRAGMA replication=ON</code>.
    </p>
      <p>
        To display replication statistics in the dbsql shell, use:
    </p>
      <pre class="programlisting">dbsql&gt; .stat :rep</pre>
      <div class="sect2" lang="en" xml:lang="en">
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            <div>
              <h3 class="title"><a id="idp962696"></a>New Pragmas</h3>
            </div>
          </div>
        </div>
        <p>
            For more details on the replication pragmas see
            <a href="../bdb-sql/reppragma.html" class="olink">Replication PRAGMAs</a> in the <em class="citetitle">Berkeley DB Getting Started with the SQL APIs</em> guide.
            
            
        </p>
        <div class="itemizedlist">
          <ul type="disc">
            <li>
              <code class="literal">PRAGMA replication=ON|OFF</code>
            </li>
            <li>
              <code class="literal">PRAGMA replication_initial_master=ON|OFF</code>
            </li>
            <li>
              <code class="literal">PRAGMA replication_local_site="hostname:port"</code>
            </li>
            <li>
              <code class="literal">PRAGMA replication_remote_site="hostname:port"</code>
            </li>
            <li>
              <code class="literal">PRAGMA replication_remove_site="host:port"</code>
            </li>
            <li>
              <code class="literal">PRAGMA replication_verbose_output=ON|OFF</code>
            </li>
            <li>
              <code class="literal">PRAGMA replication_verbose_file=filename</code>
            </li>
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          <td width="40%" align="left" valign="top">2SITE_STRICT Enabled by Default in Replication </td>
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          <td width="40%" align="right" valign="top"> Repmgr Message Channels </td>
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