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SELECT trunc(first_time) "Date",
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to_char(first_time, 'Dy') "Day",
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count(1) "Total",
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SUM(decode(to_char(first_time, 'hh24'),'00',1,0)) "h0",
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SUM(decode(to_char(first_time, 'hh24'),'01',1,0)) "h1",
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SUM(decode(to_char(first_time, 'hh24'),'02',1,0)) "h2",
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SUM(decode(to_char(first_time, 'hh24'),'03',1,0)) "h3",
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SUM(decode(to_char(first_time, 'hh24'),'04',1,0)) "h4",
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SUM(decode(to_char(first_time, 'hh24'),'05',1,0)) "h5",
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SUM(decode(to_char(first_time, 'hh24'),'06',1,0)) "h6",
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SUM(decode(to_char(first_time, 'hh24'),'07',1,0)) "h7",
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SUM(decode(to_char(first_time, 'hh24'),'08',1,0)) "h8",
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SUM(decode(to_char(first_time, 'hh24'),'09',1,0)) "h9",
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SUM(decode(to_char(first_time, 'hh24'),'10',1,0)) "h10",
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SUM(decode(to_char(first_time, 'hh24'),'11',1,0)) "h11",
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SUM(decode(to_char(first_time, 'hh24'),'12',1,0)) "h12",
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SUM(decode(to_char(first_time, 'hh24'),'13',1,0)) "h13",
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SUM(decode(to_char(first_time, 'hh24'),'14',1,0)) "h14",
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SUM(decode(to_char(first_time, 'hh24'),'15',1,0)) "h15",
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SUM(decode(to_char(first_time, 'hh24'),'16',1,0)) "h16",
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SUM(decode(to_char(first_time, 'hh24'),'17',1,0)) "h17",
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SUM(decode(to_char(first_time, 'hh24'),'18',1,0)) "h18",
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SUM(decode(to_char(first_time, 'hh24'),'19',1,0)) "h19",
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SUM(decode(to_char(first_time, 'hh24'),'20',1,0)) "h20",
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SUM(decode(to_char(first_time, 'hh24'),'21',1,0)) "h21",
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SUM(decode(to_char(first_time, 'hh24'),'22',1,0)) "h22",
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SUM(decode(to_char(first_time, 'hh24'),'23',1,0)) "h23",
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decode(trunc(first_time),
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trunc(sysdate), round(count(1) / (24 * to_number(to_char(sysdate, 'sssss')+1) / 86400),2),
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round(count(1) / 24, 2)) "Avg"
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FROM V$log_history
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group by trunc(first_time), to_char(first_time, 'Dy')
- Order by 1;