shot isolation.  For databases
    configured with <A HREF="../../../com/sleepycat/db/DatabaseConfig.html#setMultiversion(boolean)"><CODE>DatabaseConfig.setMultiversion(boolean)</CODE></A>, data values
    will be read as they are when the transaction begins, without taking
    read locks.
    <p>
    Updates operations performed in the transaction will cause a
    <A HREF="../../../com/sleepycat/db/DeadlockException.html" title="class in com.sleepycat.db"><CODE>DeadlockException</CODE></A> to be thrown if 