he thread while the transaction so that only one
 transaction can be activated with a database object at the same time.  Thus, the
 serializable isolation level is assumed if every database operation is performed in the
 transaction.  All updated regions are kept track of by write ahead logging while the
 transaction.  If the database is closed during transaction, the transaction is aborted
 implicitly.</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="trancommit()"><!-- --></A><H3>
trancommit</H3>
<PRE>
public boolean