During the following sql statment:
SELECT custTblConferences.*, custTblCenters.CENTER_NAME, custTblCenters.MAILCITY FROM custTblConferences INNER JOIN custTblCenters ON custTblConferences.PUBLIC_CENTER_ID = custTblCenters.CENTER_ID WHERE (custTblConferences.PUBLICIZE<>0) and (custTblConferences.CONFSTATUS in ('OP', 'PH')) and (custTblConferences.END_DATE >= GETDATE() -1 OR custTblConferences.START_DATE >= GETDATE()-1) and (custTblConferences.PUBLIC_CENTER_ID = ) ORDER BY custTblConferences.START_DATE, custTblConferences.TITLE