+<simplesect>
+ <title>Object Oriented Class Relations</title>
+
+ <para>
+ &clsql; provides an Object Oriented Data Definition Language, which
+ provides a mapping from &sql; tables to CLOS objects. By default class
+ inheritance is handled by including all the columns from parent
+ classes into the child class. This means your database schema becomes
+ very much denormalized. The class option <symbol>:normalizedp</symbol>
+ can be used to disable the default behaviour and have &clsql;
+ normalize the database schemas of inherited classes.
+ </para>
+
+ <para>
+ See <link linkend="def-view-class"><function>def-view-class</function></link>
+ for more information.
+ </para>
+</simplesect>