Page Comparison

set echo off

spool redo_estimate.txt

select name,dbid, database_role, log_Mode from v$database;

select instance_name from v$instance;

ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY MM DD';

ttitle left '***** Number of redo files for previous 7 days by hour *****' skip 2

btitle off

SELECT to_date(first_time) DAY,

to_char(sum(decode(to_char(first_time,'HH24'),'00',1,0)),'9999') "00",

to_char(sum(decode(to_char(first_time,'HH24'),'01',1,0)),'9999') "01",

to_char(sum(decode(to_char(first_time,'HH24'),'02',1,0)),'9999') "02",

to_char(sum(decode(to_char(first_time,'HH24'),'03',1,0)),'9999') "03",

to_char(sum(decode(to_char(first_time,'HH24'),'04',1,0)),'9999') "04",

to_char(sum(decode(to_char(first_time,'HH24'),'05',1,0)),'9999') "05",

to_char(sum(decode(to_char(first_time,'HH24'),'06',1,0)),'9999') "06",

to_char(sum(decode(to_char(first_time,'HH24'),'07',1,0)),'9999') "07",

to_char(sum(decode(to_char(first_time,'HH24'),'08',1,0)),'9999') "08",

to_char(sum(decode(to_char(first_time,'HH24'),'09',1,0)),'9999') "09",

to_char(sum(decode(to_char(first_time,'HH24'),'10',1,0)),'9999') "10",

to_char(sum(decode(to_char(first_time,'HH24'),'11',1,0)),'9999') "11",

to_char(sum(decode(to_char(first_time,'HH24'),'12',1,0)),'9999') "12",

to_char(sum(decode(to_char(first_time,'HH24'),'13',1,0)),'9999') "13",

to_char(sum(decode(to_char(first_time,'HH24'),'14',1,0)),'9999') "14",

to_char(sum(decode(to_char(first_time,'HH24'),'15',1,0)),'9999') "15",

to_char(sum(decode(to_char(first_time,'HH24'),'16',1,0)),'9999') "16",

to_char(sum(decode(to_char(first_time,'HH24'),'17',1,0)),'9999') "17",

to_char(sum(decode(to_char(first_time,'HH24'),'18',1,0)),'9999') "18",

to_char(sum(decode(to_char(first_time,'HH24'),'19',1,0)),'9999') "19",

to_char(sum(decode(to_char(first_time,'HH24'),'20',1,0)),'9999') "20",

to_char(sum(decode(to_char(first_time,'HH24'),'21',1,0)),'9999') "21",

to_char(sum(decode(to_char(first_time,'HH24'),'22',1,0)),'9999') "22",

to_char(sum(decode(to_char(first_time,'HH24'),'23',1,0)),'9999') "23"

from

sys.v$log_history

where to_date(first_time) > sysdate -8

GROUP by

to_char(first_time,'YYYY-MON-DD'), to_date(first_time)

order by to_date(first_time)

/

rem Size of logs to help do the math in bytes.

ttitle left '***** Size of redo logs. Multiple number of logs per hour by Size of Redo to get volume in Meg/Hr *****' skip 2

btitle off

select group#,members,archived, status, trunc((bytes)/1000000) Size_of_Redo_Megbytes

from sys.v$log

/

spool off 
exit