Recover some tables with RMAN

Hi all.
I want to recover some tables to some point in time and I have a hot backup of my DB. I want to preserve them. I want to know if this is possible or there is a better method:
1.-Duplicate the database.
Question: Can I duplicate only the schema with the tables? Because the tablespace is quite big and I don't want to recover it completely, I don't have much disk space. I will skip the other tablespaces. I don't know if it's possible because as far as I know RMAN recover allways the entire tablespaces.
2.-Export the tables.
3.-Import them in another schema in target DB.
Oracle: 10g
Best regards.

Export or Datapump is a good option.
RMAN will not full fill the requirementBut I used RMAN for the backup. I have to use it to do the restore. I only want to know if I am doing the restore correctly and if I can do the restore only of the tables I need.
Thanks.

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using dbms_crypto package
Assumption: TE is a user in oracle 10g
we have a table need encrypt a column, this column SYSDBA can not look at, it's credit card number.
tha table is
SQL> desc TE.temp_sales
Name Null? Type
CUST_CREDIT_ID NOT NULL NUMBER
CARD_TYPE VARCHAR2(10)
CARD_NUMBER NUMBER
EXPIRY_DATE DATE
CUST_ID NUMBER
1. grant execute on dbms_crypto to te;
2. Create a table with a encrypted columns
SQL> CREATE TABLE te.customer_credit_info(
2 cust_credit_id number
3      CONSTRAINT pk_te_cust_cred PRIMARY KEY
4      USING INDEX TABLESPACE indx
5      enable validate,
6 card_type varchar2(10)
7      constraint te_cust_cred_type_chk check ( upper(card_type) in ('DINERS','AMEX','VISA','MC') ),
8 card_number blob,
9 expiry_date date,
10 cust_id number
11      constraint fk_te_cust_credit_to_cust references te.customer(cust_id) deferrable
12 )
13 storage (initial 50k next 50k pctincrease 0 minextents 1 maxextents 50)
14 tablespace userdata_Lm;
Table created.
SQL> CREATE SEQUENCE te.customers_cred_info_id
2 START WITH 1
3 INCREMENT BY 1
4 NOCACHE
5 NOCYCLE;
Sequence created.
Note: Credit card number is blob data type. It will be encrypted.
3. Loading data encrypt the credit card number
truncate table TE.customer_credit_info;
DECLARE
input_string VARCHAR2(16) := '';
raw_input RAW(128) := UTL_RAW.CAST_TO_RAW(CONVERT(input_string,'AL32UTF8','US7ASCII'));
key_string VARCHAR2(8) := 'AsDf!2#4';
raw_key RAW(128) := UTL_RAW.CAST_TO_RAW(CONVERT(key_string,'AL32UTF8','US7ASCII'));
encrypted_raw RAW(2048);
encrypted_string VARCHAR2(2048);
BEGIN
for cred_record in (select upper(CREDIT_CARD) as CREDIT_CARD,
CREDIT_CARD_EXP_DATE,
to_char(CREDIT_CARD_NUMBER) as CREDIT_CARD_NUMBER,
CUST_ID
from TE.temp_sales) loop
dbms_output.put_line('type:' || cred_record.credit_card || 'exp_date:' || cred_record.CREDIT_CARD_EXP_DATE);
dbms_output.put_line('number:' || cred_record.CREDIT_CARD_NUMBER);
input_string := cred_record.CREDIT_CARD_NUMBER;
raw_input := UTL_RAW.CAST_TO_RAW(CONVERT(input_string,'AL32UTF8','US7ASCII'));
dbms_output.put_line('> Input String: ' || CONVERT(UTL_RAW.CAST_TO_VARCHAR2(raw_input),'US7ASCII','AL32UTF8'));
encrypted_raw := dbms_crypto.Encrypt(
src => raw_input,
typ => DBMS_CRYPTO.DES_CBC_PKCS5,
key => raw_key);
encrypted_string := rawtohex(UTL_RAW.CAST_TO_RAW(encrypted_raw)) ;
dbms_output.put_line('> Encrypted hex value : ' || encrypted_string );
insert into TE.customer_credit_info values
(TE.customers_cred_info_id.nextval,
cred_record.credit_card,
encrypted_raw,
cred_record.CREDIT_CARD_EXP_DATE,
cred_record.CUST_ID);
end loop;
commit;
end;
4. Check credit card number script
DECLARE
input_string VARCHAR2(16) := '';
raw_input RAW(128) := UTL_RAW.CAST_TO_RAW(CONVERT(input_string,'AL32UTF8','US7ASCII'));
key_string VARCHAR2(8) := 'AsDf!2#4';
raw_key RAW(128) := UTL_RAW.CAST_TO_RAW(CONVERT(key_string,'AL32UTF8','US7ASCII'));
encrypted_raw RAW(2048);
encrypted_string VARCHAR2(2048);
decrypted_raw RAW(2048);
decrypted_string VARCHAR2(2048);
cursor cursor_cust_cred is select CUST_CREDIT_ID, CARD_TYPE, CARD_NUMBER, EXPIRY_DATE, CUST_ID
from TE.customer_credit_info order by CUST_CREDIT_ID;
v_id customer_credit_info.CUST_CREDIT_ID%type;
v_type customer_credit_info.CARD_TYPE%type;
v_EXPIRY_DATE customer_credit_info.EXPIRY_DATE%type;
v_CUST_ID customer_credit_info.CUST_ID%type;
BEGIN
dbms_output.put_line('ID Type Number Expiry_date cust_id');
dbms_output.put_line('-----------------------------------------------------');
open cursor_cust_cred;
loop
     fetch cursor_cust_cred into v_id, v_type, encrypted_raw, v_expiry_date, v_cust_id;
exit when cursor_cust_cred%notfound;
decrypted_raw := dbms_crypto.Decrypt(
src => encrypted_raw,
typ => DBMS_CRYPTO.DES_CBC_PKCS5,
key => raw_key);
decrypted_string := CONVERT(UTL_RAW.CAST_TO_VARCHAR2(decrypted_raw),'US7ASCII','AL32UTF8');
dbms_output.put_line(V_ID ||' ' ||
V_TYPE ||' ' ||
decrypted_string || ' ' ||
v_EXPIRY_DATE || ' ' ||
v_CUST_ID);
end loop;
close cursor_cust_cred;
commit;
end;
/

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I have make vm of oracle 11g. the following step i have applied but could not recover the table.
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rman> recover database ;
rman> alter database open ;
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SQL> select count(*) from TEST2;
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SQL> select TO_CHAR(SYSDATE,'DD-MON-YYYY HH24:MI:SS') from dual;
TO_CHAR(SYSDATE,'DD-
10-SEP-2013 10:57:05
SQL> alter system switch logfile;
System altered.
SQL> drop table TEST2 purge;
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[oracle@vnode MYSHELL]$ rman target /
Recovery Manager: Release 11.2.0.2.0 - Production on Tue Sep 10 10:58:39 2013
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
connected to target database: DDTEST (DBID=1667776968, not open)
RMAN> run{
set until time "to_date('2013 Sep 10 10:57','yyyy mon dd hh24:mi')";
restore database;
recover database;
alter database open resetlogs;
}2> 3> 4> 5> 6>
media recovery complete, elapsed time: 00:00:02
Finished recover at 10-SEP-13
database opened
RMAN> exit
SQL> set lin 200 pages 100
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COUNT(*)
15
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5.SELECT archivelog_change#-1 FROM v$database;
ARCHIVELOG_CHANGE#-1
1301671
6.run {
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recover database;
executing command: SET until clause
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starting media recovery
media recovery failed
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
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start until change 1301671 using backup controlfile
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Hi,
first of all you must have all the archivelogs since you want to recover your table from the previous backups.
anyways if you want to recover your table then you need to perform incomplete recovery to the point where you loss the table for that you need to restore and recover your database.you likely to loose all the transcation which occurs to the point where you you loose your table.
thanks..

RMAN-06067: RECOVER DATABASE required with a backup or created controlfile

Hi,
DB:9.2.0.8
OS: AIX 5.3
I am restoring DB with until time(12/06/2012) for needed tablespaces.
I restored the 12th date controlfile ,which is backed up with archivedlogs. I also have one more controlfile which backed up with full DB..
Restore of tablespaces are completed..
When recovery is going , failed with following error..
allocated channel: c7
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channel c7: VERITAS NetBackup for Oracle - Release 5.1 (2006040520)
allocated channel: c8
channel c8: sid=21 devtype=SBT_TAPE
channel c8: VERITAS NetBackup for Oracle - Release 5.1 (2006040520)
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released channel: c1
released channel: c2
released channel: c3
released channel: c4
released channel: c5
released channel: c6
released channel: c7
released channel: c8
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
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RMAN-06067: RECOVER DATABASE required with a backup or created controlfile
RMAN>
Restore Script:
connect target /
connect catalog rmanc/recom@lgn_rmanc
run {
allocate channel c1 type 'SBT_TAPE';
allocate channel c2 type 'SBT_TAPE';
allocate channel c3 type 'SBT_TAPE';
allocate channel c4 type 'SBT_TAPE';
allocate channel c5 type 'SBT_TAPE';
allocate channel c6 type 'SBT_TAPE';
allocate channel c7 type 'SBT_TAPE';
allocate channel c8 type 'SBT_TAPE';
allocate channel c9 type 'SBT_TAPE';
allocate channel c10 type 'SBT_TAPE';
allocate channel c11 type 'SBT_TAPE';
allocate channel c12 type 'SBT_TAPE';
set until time '12-06-2012 00:01:26';
restore tablespace SYSTEM,UNDO_GEN01,UNDO_GEN02,TAB_80K_GENCON,TAB_25M_GENCON;
release channel c1;
release channel c2;
release channel c3;
release channel c4;
release channel c5;
release channel c6;
release channel c7;
release channel c8;
release channel c9;
release channel c10;
release channel c11;
release channel c12;
Recover Script:
connect catalog rmanc/recom@lgn_rmanc
connect target /
run {
allocate channel c1 type 'SBT_TAPE';
allocate channel c2 type 'SBT_TAPE';
allocate channel c3 type 'SBT_TAPE';
allocate channel c4 type 'SBT_TAPE';
allocate channel c5 type 'SBT_TAPE';
allocate channel c6 type 'SBT_TAPE';
allocate channel c7 type 'SBT_TAPE';
allocate channel c8 type 'SBT_TAPE';
set until time '12-06-2012 00:01:26';
recover tablespace SYSTEM,UNDO_GEN01,UNDO_GEN02,TAB_80K_GENCON,TAB_25M_GENCON;
release channel c1;
release channel c2;
release channel c3;
release channel c4;
release channel c5;
release channel c6;
release channel c7;
release channel c8;
Any suggestion in this is helpful to me..
Thanks in advance,

Hello;
I read your post and here's the thoughts that came to mind : ( my largest concern is you might restore something that damages your current system )
1. So you want to restore the whole DB back to 12/06/2012 to get some tablespaces from then right?
2. Are you restoring to a different system?
3. How did you start the database ( NOMOUNT, MOUNT )
4. If you are restoring the whole DB back to 12/06/2012 how did you restore the control file?
5. Your command shows :
restore tablespace SYSTEM,UNDO_GEN01,UNDO_GEN02,TAB_80K_GENCON,TAB_25M_GENCON;
COMMENT : Generally I use recover tablespace for point in time recovery and use an auxilary destination.
Meaning I don't use restore at all, in fact using restore may cause an issue.
SUMMARY : I don't see how this will work as is.
It seems you want data from five tablespaces from about six months ago including the SYSTEM tablespace.
This is an Incomplete Recovery. I believe I would rethink this completely.
Give the time that has past I would consider restoring the whole database to a different server where cannot damage anything.
Once this is done I would decide how to get the data I need.
Or I would check for a daily export file and recover the tablespace data that way.
So you have some good details on your question but it seems the plan is either missing something or you need to add a few more details.
Example
I'm recovering old tablespaces into a test system.
Here's how I'm not damaging my current production system.
I don't have an export from that date.
So take a step back and either rethink or give a few more details on how this is safe.
Best Regards
mseberg

Recover with RMAN

Hi Experts,
I have a question
i have a backup strategy with rman that create a data file copy and some backupset for other next days
i can restore and recover my database until last exist ARCHIVE LOG without any problem.
now i want to know how can i recover database again until last transaction in redo log if i had db redo log file???
can rman recover from redo log until last transaction register in redolog??
if yes how can i do this?
Thanks
Best Regards

Hi,
1) I think with 3 kind of backup file i have my DB until last transaction that save in online redolog file. is it true?
suppose that we restore database from full backup.
so we have a DB from time full backup time without transactions in archivelogs and redolog file.
now we want recover database until last transaction.we can use two command for this goal:
a. RECOVER DATABASE UNTIL SEQUENCE [last archivelog sequence# + 1];
this command complete successfully and we can open database with resetlogs. but data is until last archive log so u don't have transaction in redolog file.
b. RECOVER DATABASE;
this command always complete with error that says sequence number [last archivelog sequence# + 1 ] not found.
so we found out that this command only see archivelogs, not archivelogs and redolog files.
and i don't know if we can open this database with resetlogs option.
As mentioned by before poster, the redolog files are not backed up and there is needless to take a backup of the redolog and transfer it to the new server. n
2) please tell me how can i introduce redologs to rman? should i copy them in the same address with their address in control file??
In the RMAN command you must archive the current redolog file before backing up the archivelogs, which will ensure you will have a upto date backup. Let me share one of my coding:
RUN
ALLOCATE CHANNEL RMAN_BACK_CH01 TYPE DISK;
ALLOCATE CHANNEL RMAN_BACK_CH02 TYPE DISK;
ALLOCATE CHANNEL RMAN_BACK_CH03 TYPE DISK;
BACKUP
AS BACKUPSET
TAG 'FULL_DATABASE'
FORMAT '/u01/backup/DBFILES_%F’;
DATABASE
SQL 'ALTER SYSTEM SWITCH LOGFILE';
SQL 'ALTER SYSTEM ARCHIVE LOG CURRENT';
RUN
BACKUP
AS BACKUPSET
TAG 'ARCHIVELOGS_ALL'
FORMAT '/u01/backup/ARCHIVELOGS_%F’
DELETE INPUT;
ARCHIVELOG ALL
Hope this helps!
Thanks &
Best Regards,

Recover table with no export backup

How can I recover a table from the cold backup without resoring all the database?, the dabase running with noarchive mode

I want to retrieve a static data table from my 4 months old database cold backup. Related with I have some question:
1)Is there any other way to restore the table without restoring the whole database?
2)I know the datafile the table belongs to, is there any way to retrive that datafile alone and linking to the existing production database?
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