Schedule the below report in OEM. it will generate a report for 12 hour and send to your email box. DECLARE dbid NUMBER; inst_id NUMBER; bid NUMBER; eid NUMBER; db_unique_name VARCHAR2(30); host_name VARCHAR2(64); starttime CHAR (5); endtime CHAR (5); v_from VARCHAR2 (80); v_recipient VARCHAR2 (80) := '----------------------Email _D----------------'; v_mail_host VARCHAR2 (30...