SELECT TO_CHAR(TRUNC(FIRST_TIME),’Mon DD’) “DG Date”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’00’,1,0)),’9999′) “12AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’01’,1,0)),’9999′) “01AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’02’,1,0)),’9999′) “02AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’03’,1,0)),’9999′) “03AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’04’,1,0)),’9999′) “04AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’05’,1,0)),’9999′) “05AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’06’,1,0)),’9999′) “06AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’07’,1,0)),’9999′) “07AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’08’,1,0)),’9999′) “08AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’09’,1,0)),’9999′) “09AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’10’,1,0)),’9999′) “10AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’11’,1,0)),’9999′) “11AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’12’,1,0)),’9999′) “12PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’13’,1,0)),’9999′) “1PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’14’,1,0)),’9999′) “2PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’15’,1,0)),’9999′) “3PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’16’,1,0)),’9999′) “4PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’17’,1,0)),’9999′) “5PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’18’,1,0)),’9999′) “6PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’19’,1,0)),’9999′) “7PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’20’,1,0)),’9999′) “8PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’21’,1,0)),’9999′) “9PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’22’,1,0)),’9999′) “10PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’23’,1,0)),’9999′) “11PM”
FROM V$LOG_HISTORY
GROUP BY TRUNC(FIRST_TIME)
ORDER BY TRUNC(FIRST_TIME) DESC
/

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