E>
<DL>
<DD>Specifies the user-supplied object used for setting single-valued
 foreign keys to null.

 <p>This method may <em>not</em> be used along with <A HREF="../../../com/sleepycat/db/SecondaryConfig.html#setMultiKeyCreator(com.sleepycat.db.SecondaryMultiKeyCreator)"><CODE>setMultiKeyCreator(com.sleepycat.db.SecondaryMultiKeyCreator)</CODE></A>.  When using a multi-key creator, use <A HREF="../../../com/sleepycat/db/SecondaryConfig.html#setForeignMultiKeyNullifier(com.sleepycat.db.ForeignMultiKeyNullif