2026-03-12 20:23:15
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128
vg/logswitchfreq.sql
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128
vg/logswitchfreq.sql
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@@header
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set term off
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/*
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*
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* Author : Vishal Gupta
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* Purpose : Display houly and daily redolog switches by frequency
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* Parameters : None
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*
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* Revision History:
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* ===================
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* Date Author Description
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* --------- ------------ -----------------------------------------
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* 30-Dec-14 Vishal Gupta Added number of days as input parameter
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* 18-Mar-14 Vishal Gupta Added separator columns for daily total
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* 27-Feb-12 Vishal Gupta Formated the output
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* 05-Aug-04 Vishal Gupta First Draft
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*
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*/
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set term on
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/************************************
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* INPUT PARAMETERS
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************************************/
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UNDEFINE days
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DEFINE days="&&1"
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set term off
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COLUMN _days NEW_VALUE days NOPRINT
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SELECT UPPER(DECODE('&&days','','90','&&days')) "_days"
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FROM DUAL;
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set term on
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PROMPT
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PROMPT *******************************************************************************************************************************************
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PROMPT * A R C H I V E L O G S W I T C H S U M M A R Y (By Frequency)
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PROMPT * (Hourly and Daily figures in number of archivelogs)
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PROMPT *
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PROMPT * Input Parameters
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PROMPT * - Days = '&&days'
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PROMPT *******************************************************************************************************************************************
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PROMPT
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PROMPT - <-------------------------------------------------------- Hourly Total ----------------------------------------------->
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/*
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Total h0 h1 h2 h3 h4 h5 h6 h7 h8 h9 h10 h11 h12 h13 h14 h15 h16 h17 h18 h19 h20 h21 h22 h23
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Date Day (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#) (#)
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--------- --- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
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*/
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SET head on FEED off ECHO OFF LINES 1000 TRIMSPOOL ON TRIM on PAGES 1000
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COLUMN separator HEADING "!|!|!" FORMAT A1
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COLUMN "Date" HEADING "Date" FORMAT A9
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COLUMN "Total" HEADING "Total|(#)" FORMAT 9999
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COLUMN "Day" HEADING "Day" FORMAT A3
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COLUMN h0 HEADING "h0|(#)" FORMAT 999
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COLUMN h1 HEADING "h1|(#)" FORMAT 999
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COLUMN h2 HEADING "h2|(#)" FORMAT 999
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COLUMN h3 HEADING "h3|(#)" FORMAT 999
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COLUMN h4 HEADING "h4|(#)" FORMAT 999
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COLUMN h5 HEADING "h5|(#)" FORMAT 999
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COLUMN h6 HEADING "h6|(#)" FORMAT 999
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COLUMN h7 HEADING "h7|(#)" FORMAT 999
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COLUMN h8 HEADING "h8|(#)" FORMAT 999
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COLUMN h9 HEADING "h9|(#)" FORMAT 999
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COLUMN h10 HEADING "h10|(#)" FORMAT 999
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COLUMN h11 HEADING "h11|(#)" FORMAT 999
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COLUMN h12 HEADING "h12|(#)" FORMAT 999
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COLUMN h13 HEADING "h13|(#)" FORMAT 999
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COLUMN h14 HEADING "h14|(#)" FORMAT 999
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COLUMN h15 HEADING "h15|(#)" FORMAT 999
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COLUMN h16 HEADING "h16|(#)" FORMAT 999
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COLUMN h17 HEADING "h17|(#)" FORMAT 999
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COLUMN h18 HEADING "h18|(#)" FORMAT 999
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COLUMN h19 HEADING "h19|(#)" FORMAT 999
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COLUMN h20 HEADING "h20|(#)" FORMAT 999
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COLUMN h21 HEADING "h21|(#)" FORMAT 999
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COLUMN h22 HEADING "h22|(#)" FORMAT 999
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COLUMN h23 HEADING "h23|(#)" FORMAT 999
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SELECT to_char(trunc(first_time),'DD-Mon-YY') "Date",
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to_char(first_time, 'Dy') "Day",
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'|' separator,
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count(1) Total,
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'|' separator,
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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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from v$log_history
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where 1=1
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-- and standby_dest = 'NO'
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-- and CREATOR IN ('ARCH' , 'FGRD')
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and first_time > sysdate - &&days
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group by trunc(first_time), to_char(first_time, 'Dy')
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order by trunc(first_time)
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/
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@@footer
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