RE: RedoLogs switching

Try this...
REM Log switches
set lin 132
col 00 format a3
col 01 format a3
col 02 format a3
col 03 format a3
col 04 format a3
col 05 format a3
col 06 format a3
col 07 format a3
col 08 format a3
col 09 format a3
col 10 format a3
col 11 format a3
col 12 format a3
col 13 format a3
col 14 format a3
col 15 format a3
col 16 format a3
col 17 format a3
col 18 format a3
col 19 format a3
col 20 format a3
col 21 format a3
col 22 format a3
col 23 format a3

select substr(to_char(first_time,'YYYY-MM-DD'),1,10) " ",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'00',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'00',1,0))) "00",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'01',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'01',1,0))) "01",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'02',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'02',1,0))) "02",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'03',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'03',1,0))) "03",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'04',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'04',1,0))) "04",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'05',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'05',1,0))) "05",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'06',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'06',1,0))) "06",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'07',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'07',1,0))) "07",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'08',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'08',1,0))) "08",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'09',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'09',1,0))) "09",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'10',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'10',1,0))) "10",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'11',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'11',1,0))) "11",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'12',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'12',1,0))) "12",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'13',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'13',1,0))) "13",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'14',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'14',1,0))) "14",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'15',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'15',1,0))) "15",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'16',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'16',1,0))) "16",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'17',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'17',1,0))) "17",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'18',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'18',1,0))) "18",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'19',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'19',1,0))) "19",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'20',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'20',1,0))) "20",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'21',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'21',1,0))) "21",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'22',1,0)),0,'-',su m(decode(substr(to_char(first_time,'HH24'),1,2),'22',1,0))) "22",  

decode(sum(decode(substr(to_char(first_time,'HH24'),1,2),'23',1,0)),0,'-',su

m(decode(substr(to_char(first_time,'HH24'),1,2),'23',1,0))) "23"
from    sys.v_$log_history
group by substr(to_char(first_time,'YYYY-MM-DD'),1,10)

Steve Orr

-----Original Message-----
Sent: Friday, August 24, 2001 10:31 AM
To: Multiple recipients of list ORACLE-L

I think there is a table like v$loghistory that has the information about latest log switches. Not sure about the correct name, but you can search dba_objects for object_name like '%LOG_HIST%' you'll probably find it

G
--- Jairo Villalobos <jvilla_at_ccss.sa.cr> wrote:
> Hi,
>
> How to Know when switching RedoLogs occur?
> Oracle 8.0.6.2 TRUE 64 5.0
>
> Thank's...
> javs

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Orr, Steve
  INET: sorr_at_rightnow.com

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