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<chapter id="dbms">
	<title>
	Database management system
	</title>


<sect1 id="dbms.overview">
	<title>
	Overview
	</title>

<para>
Communication with DBMS (database management system)
via 
<link linkend="module.io.adapter">
IO::Adapter
</link>
class.
</para>

<para>
This class provides fundamental functions such as insersion and
deletion of data. If more complex operation is needed, the
preprocessing module calling IO::Adapter should handle it.
</para>

</sect1>


<sect1 id="dbms.todo">
	<title>
	TODO
	</title>

<para>
Consider if methods are least set or not. 
<link linkend="module.io.adapter">
IO::Adapter 
</link>
is enough minimum ?
</para>

</sect1>


</chapter>
