Pre-flight SQL script

Prompt Specify owner for the tables that you want to replicate
Prompt Specify table_name(s) for the tables that you want to replicate. % for all.
select owner, table_name, column_name, data_type 
from sys.dba_tab_cols 
where data_type not in (
 'NUMBER',
 'FLOAT',
 'VARCHAR2',
 'VARCHAR',
 'CHAR',
 'NCHAR',
 'NVARCHAR2',
 'LONG',
 'LONG RAW',
 'DATE',
 'RAW',
 'BFILE',
 'CLOB',
 'BLOB',
 'NCLOB'
)
and data_type not like 'INTERVAL%'
and data_type not like 'TIMESTAMP%'
and owner = upper('&owner')
and table_name like upper('&table_name');

select owner, table_name, column_name 
from dba_lobs 
where encrypt not in ('NO','NONE')
or compression not in ('NO','NONE')
or deduplication not in ('NO','NONE');

set linesize 200
set echo off
spool redo_estimate.txt
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