The following script can help determine if the tables in your schema contain unsupported datatypes:
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. column owner format A45 set linesize 200 set pagesize 5000 ttitle left '***** Unsupported Data Types *****' skip 2 btitle off spool unsupported.txt 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 not in ( 'XDB','SYS','SYSTEM','SYSMAN','WMSYS','OLAPSYS','MDSYS','APEX_030200','FLOWS_FILES', 'EXFSYS','APPQOSSYS','CTXSYS','ORDDATA','OUTLN','DBSNMP','ORDSYS','DBVREP') and table_name not in (select view_name from dba_views) order by owner,table_name; spool off
Unsupported LOB options (11g SecureFiles):
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. column owner format A45 set linesize 200 set pagesize 5000 spool unsupported_LOB.txt select owner, table_name, column_name from dba_lobs where owner not in ( 'XDB','SYS','SYSTEM','SYSMAN','WMSYS','OLAPSYS','MDSYS','APEX_030200','FLOWS_FILES', 'EXFSYS','APPQOSSYS','CTXSYS','ORDDATA','OUTLN','DBSNMP','ORDSYS','DBVREP') and encrypt not in ('NO','NONE') or compression not in ('NO','NONE') or deduplication not in ('NO','NONE') order by owner); spool off
Redo Volume Trending Report :
set linesize 200 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