query in PostgreSQL

Hello Everyone,<br /><br /><span>I have a problem related to query in PostgreSQL.Some queries are not running.Please
helpme to find out a solution.</span><br /><br /><span>Thanks </span><br
/><span>Rahul</span><p>=====-----=====-----=====<br/> Notice: The information contained in this e-mail<br /> message
and/orattachments to it may contain <br /> confidential or privileged information. If you are <br /> not the intended
recipient,any dissemination, use, <br /> review, distribution, printing or copying of the <br /> information contained
inthis e-mail message <br /> and/or attachments to it are strictly prohibited. If <br /> you have received this
communicationin error, <br /> please notify us by reply e-mail or telephone and <br /> immediately and permanently
deletethe message <br /> and any attachments. Thank you<p>