Somehow, I've managed to get duplicate entries in my soon-to-be primary key field. How can I select for duplicates in a field? I know how to select for blank and NULL, but duplicates escape me. Thanks, Gary ************************************************************************** * Gary B. Hoffman, Computing Services Manager e-mail: [EMAIL PROTECTED] * * Graduate School of International Relations and Pacific Studies (IR/PS) * * University of California, San Diego (UCSD) voice: (858) 534-1989 * * 9500 Gilman Dr., La Jolla, CA 92093-0519 USA fax: (858) 534-3939 * **************************************************************************