prompt <h2>Last alertlog errors (Last 30 days and last 100 errors)</h2>

set pages 99
-- select to_char(ORIGINATING_TIMESTAMP, 'DD-MM-YYYY HH-MM-SS') || ' : ' || message_text "Last alertlog (30 days)"
select to_char(ORIGINATING_TIMESTAMP, 'DD-MM-YYYY HH-MM-SS') , message_text "Last alertlog (30 days)"
FROM X$DBGALERTEXT
WHERE originating_timestamp > systimestamp - 30  
AND regexp_like(message_text, '(ORA-)')
AND rownum <=100;
exit