OBIEE SOME OF THE IMPOTENT BLOGS

http://obiee101.blogspot.com/search/label/PIVOT

http://www.cintra.com/blog/?p=139

http://varanasisaichand.blogspot.com/2010/02/adding-footer-view-to-reports-in.html

http://rnm1978.wordpress.com/2009/08/25/multiple-rpds-on-one-server-part-2-presentation-services/

http://debaatobiee.wordpress.com/category/obiee/obiee-variable/

http://www.rockportsoft.com/html/products/oracle_bi_ee.html

http://obiee101.blogspot.com/search/label/VARIABLES

http://gerardnico.com/wiki/dat/obiee/presentation_variable

http://gerardnico.com/wiki/dat/obiee/variable

http://shivabizint.wordpress.com/2008/10/02/oracle-bi-ee-variables-overview/

http://bintelligencegroup.wordpress.com/2010/09/23/external-table-authentication/

http://108obiee.blogspot.in/2009/03/external-table-authentication-and-row.html

http://108obiee.blogspot.in/2009/03/external-table-authentication-and-row.html

http://tipsonobiee.blogspot.in/2009_07_12_archive.html

what is the use of Bins in obiee

Here clearly explained how to work with OBIEE bins with Examples

click on criteria tab and go and click on edit formula