rows <A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></PRE>
<DL>
<DD>Creates a secondary key entry, given a primary key and data entry.
    <p>
    A secondary key may be derived from the primary key, primary data, or a
    combination of the primary key and data.  For secondary keys that are
    optional, the key creator method may return false and the key/data pair
    will not be indexed.  To ensure the integrity of a secondary database th