FLASHBACK Database: rman vs. sql command differences
I am new to Oracle and want to understand the difference and that is the correct way of rear turn signals to the database?RMAN command vs SQL command on the use of FLASHBACK DATABASE
SQL> FLASHBACK DATABASE TO RESTORE POINT BEFORE_ONLINE_TEST; {CODE} Vs
RMAN > run {}flashback database to restore the BEFORE_TEST_320130313 point;
SQL ' alter database open resetlogs; }
Referring this article on http://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmflash.htm#BGBDCAFA it says we can use both RMAN and SQL command for database flashback.
Questions:
1. Difference between using RMAN and SQL command on database flashback?
2. When to use RMAN or SQL on the database flashback?
3. Which is the Oracle recommended or best way ?
Edited by: Sivaprasad S on Mar 15, 2013 7:26 PM
Edited by: Sivaprasad S on Mar 15, 2013 7:26 PM
Edited by: Sivaprasad S on Mar 15, 2013 7:27 PM
Edited by: Sivaprasad S on Mar 15, 2013 7:27 PM
Edited by: Sivaprasad S on Mar 15, 2013 7:28 PM
Edited by: Sivaprasad S on Mar 15, 2013 7:29 PM
So when you run your SQLPlus flashback, you get the following error:
ORA-38761: redo log sequence 1 in thread 1, incarnation 3 could not be found
This means so that the sequence 1 has probably been removed from the disk and is necessary.
When you run the RMAN command look at the log what RMAN:
* journal archived for thread 1 sequence 2 is already on the disc in the file +DG_PERF_FLASH_02/TestDB/archivelog/2013_03_14/thread_1_seq_2.3612.810054205*
* journal archived for thread 1 with sequence 3 is already on the disc in the file +DG_PERF_FLASH_02/TestDB/archivelog/2013_03_14/thread_1_seq_3.1588.810054205*
So sequence 2 and 3 are already on record according to the above message.
Then you get this message:
channel dev_2: restoration of archives Journal
Archives journal thread = 1 sequence = 1
So RMAN knows he needs 1 thus sequence and restores this newspaper archive she needs for recovery.
In a Word while running SQLPlus she communicate with RMAN and restore the log file for you, however with RMAN, it won't.
You can restore the newspaper archive manually, and then run in SQLPlus that will then work.
Published by: Freddie Essex on March 18, 2013 12:46
Tags: Database
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creation of database using the SQL command * more
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This isn't a matter of urgency.
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Hi all;
How can get a rear base using database of flashback (rman) in 10 g.
SQL > select current_scn, to_char (SYSTIMESTAMP, "YYYY-MM-DD HH24:MI:SS) database v$.
TO_CHAR (SYSTIMESTAM CURRENT_SCN
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[oracle@oel5 ~] target rman $ /.
Recovery Manager: Release 10.2.0.5.0 - Production on Sun may 25 00:10:21 2014
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RMAN-00571: ===========================================================
RMAN-00569: = ERROR MESSAGE STACK FOLLOWS =.
RMAN-00571: ===========================================================
RMAN-00558: error occurred during parsing of order entry
RMAN-01009: syntax error: found 'identifier': expected an a: 'double-quoted-string, equal, single-quoted-string '.
RMAN-01008: the bad ID was: timestamp
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Recovery Manager: Release 10.2.0.5.0 - Production on Sun may 25 00:10:21 2014
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: ORCL (DBID = 1373939619, is not open)
FLASHBACK DATABASE IN TIME ' TO_DATE ('2014-05-25 00:07:35 ',' YYYY-MM-DD HH24:MI:SS') ";
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Hi all
While using the tool rman that sometimes we will make a few commands like
RMAN > sql 'alter system switch logfile;
and some commands like
RMAN > change the editing of the database;
is there a difference between these two executions.
Please let me know.
Thank you very much.While using the tool rman that sometimes we will make a few commands like
RMAN > sql 'alter system switch logfile;
and some commands like
RMAN > change the editing of the database;is there a difference between these two executions.
a few commands that you cannot run RMAN directly, so it has to use SQL to run these commands.
Because EXECUTE is a SQL * more control, you cannot run a PL/SQL command by specifying EXECUTE within the RMAN SQL command. Instead, you must use the keywords BEGIN and END. For example, to run a procedure from PL/SQL named rman.rman_purge through the RMAN SQL command
Source:-http://download.oracle.com/docs/cd/B10501_01/server.920/a96565/rcmsynta54.htm
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Flashback database syntax question
EE Oracle 10.2.0.4 on OEL 5
This should be a matter of syntax simple, right?
Practice some scenarios to return back and looking at the syntax to
http://download.Oracle.com/docs/CD/B19306_01/backup.102/b14194/rcmsynta032.htm#sthref515
In the examples, they show a
but the real syntax diagram does not show an option "TIMESTAMP", just "on TIME" and "AHEAD of TIME".RMAN> FLASHBACK DATABASE TO TIMESTAMP TO_TIMESTAMP('2002-03-11 16:00:00', 'YYYY-MM-DD HH24:MI:SS');
Based on, let's try a simple test
Hmm, okay, then what format does? In fact, he reported in two different formats:RMAN> flashback database to time = '18-MAY-2010 12:50:00'; Starting flashback at 18-MAY-2010 13:10:00 using channel ORA_DISK_1 RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03002: failure of flashback command at 05/18/2010 13:10:00 ORA-01830: date format picture ends before converting entire input string
andStarting flashback at 18-MAY-2010 13:10:00
If pressing on some others, let's try that should be obvious:RMAN-03002: failure of flashback command at 05/18/2010 13:10:00
Built on the docs and other resources on the web, I find several variations on the theme, but all end up throwing one of the errors above.RMAN> flashback database to time = to_date('05/18/2010 12:50:00','mm/dd/yyyy hh24:mi:ss') RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-00558: error encountered while parsing input commands RMAN-01009: syntax error: found "identifier": expecting one of: "double-quoted-string, single-quoted-string" RMAN-01008: the bad identifier was: to_date RMAN-01007: at line 1 column 30 file: standard input RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-00558: error encountered while parsing input commands RMAN-01009: syntax error: found "(": expecting one of: "allocate, alter, backup, beginline, blockrecover, catalog, change, connect, copy, convert, create, crosscheck, configure, duplicate, debug, delete, drop, exit, endinline, flashback, host, {, library, list, mount, open, print, quit, recover, register, release, replace, report, renormalize, reset, restore, resync, rman, run, rpctest, set, setlimit, sql, switch, spool, startup, shutdown, send, show, test, transport, upgrade, unregister, validate" RMAN-01007: at line 1 column 37 file: standard input RMAN>
I can't believe, I've been reduced to what should be a matter of doc, but in this case, it's the documentation examples which throw errors. I'm going blind? The brain cell was killed by that I had last week of beer criticism? ;-)From:
RMAN> flashback database to time = to_date('05/18/2010 12:50:00','mm/dd/yyyy hh24:mi:ss') RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-00558: error encountered while parsing input commands RMAN-01009: syntax error: found "identifier": expecting one of: "double-quoted-string, single-quoted-string" RMAN-01008: the bad identifier was: to_date RMAN-01007: at line 1 column 30 file: standard input
Could you please try adding double quotes around the expression date?
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Can feature FLASHBACK DATABASE undo the loss of control of file/ORL?
DB version: 11.2.0.4
Platform: Oracle Linux 6.4
I personally have not tested the FLASHBACK DATABASE feature. I came across examples of logical errors such as truncate Table being overturned on FLASHBACK DATABASE.
I guess that FLASHBACK DATABASE feature may undo the loss of the data files. But will be a loss of control or the Group of newspapers online file again defeated using FLASHBACK DATABASE?
Hello
"I guess that feature FLASHBACK DATABASE can cancel the data files loss." Do not assume, check it out
Flashback database cannot cancel the loss of data files, control files and redo log files.
Flashback Database limitations
Because Flashback Database works by undoing changes to data files that exist at the present time when you run the command, it has the following limitations:
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FLASHBACK DATABASE
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NOLOGGING
operation was underway, corruption block is likely in database objects and files of data that is affected by theNOLOGGING
operation. For example, if you perform a direct pathINSERT
operation inNOLOGGING
mode and it runs from 09:00 to 09:15 April 3, 2005, and then use you Flashback Database to return to the target time 09:07 on this date, the objects and data files updated by the direct pathINSERT
have finished block operation Flashback Database corruption. If possible, avoid using Flashback Database with a time or SCN coinciding with aNOLOGGING
operation. Also, perform a full or incremental backup of the immediately affected data files backup after eachNOLOGGING
operation to ensure recovery of points in time after the operation. If you plan to use Flashback Database to return to a point in time in the course of an operation, for example a direct pathINSERT
, consider performing the operation inLOGGING
mode.
See: https://docs.oracle.com/cd/E11882_01/backup.112/e10642/flashdb.htm#BRADV286
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ORA-38760: this database instance could not turn on the flashback database
Hi guys
Without knowing it, I deleted all the files in the directory "fra" where "flashback" folder was there because of space issues. Now am facing the error.
It's my practical database.
SQL > startup
ORACLE instance started.
Total System Global Area 608174080 bytes
Bytes of size 1268920 fixed
184550216 variable size bytes
419430400 of database buffers bytes
Redo buffers 2924544 bytes
Mounted database.
ORA-38760: this database instance could not turn on the flashback database
SQL > alter flashback database;
Database altered.
SQL > SHUTDOWN IMMEDIATE;
SQL > STARTUP MOUNT
SQL > select flashback_on from database v$.
FLASHBACK_ON
------------------
RESTORE POINT ONLY
Am not able to extinguish the flame.
SQL > select * from v$ restore_point;
Select * from v$ restore_point
*
ERROR on line 1:
ORA-38701: Flashback database log 1 seq 1 wire 1:
"/ u01/fra/PROD/flashback/o1_mf_c1l5n3lq_.flb".
ORA-27037: unable to get file status
Linux error: 2: no such file or directory
Additional information: 3
SQL > select flashback_on from database v$.
FLASHBACK_ON
------------------
RESTORE POINT ONLY
I also tried to create a restore point and the flashback there.
SQL > create restore point guaranteed rspt1 flashback database;
Restore point created.
SQL > select * from v$ restore_point;
Select * from v$ restore_point
*
ERROR on line 1:
ORA-00600: internal error code, arguments: [krfg_get_keepseq_2], [1], [0], [0,]
[0], [0], [0], [0]
SQL > flashback data base to restore the point rspt1;
flashback database to restore the rspt1 point
*
ERROR on line 1:
ORA-38729: not enough flashback database data log do FLASHBACK.
Please help me in this regard.
Alert log file:
...
...
...
Mount of redo thread 1, with mount id 305866694
Sun 25 Oct 10:13:30 2015
Bytes allocated of 3981204 in the shared pool for the generation of flashback buffer
From RVWR background process
RVWR started with pid = 16, OS id = 15486
Sun 25 Oct 10:13:30 2015
Errors in the /u01/oracle/product/10.2.0/db_1/admin/prod/bdump/prod_rvwr_15486.trc file:
ORA-38701: seq 11 Flashback database log 11 1 thread: ' / u01/fra/PROD/flashback/o1_mf_c2oqypb0_.flb '.
ORA-27037: unable to get file status
Linux error: 2: no such file or directory
Additional information: 3
Sun 25 Oct 10:13:30 2015
Database mounted in exclusive Mode
Completed: ALTER DATABASE MOUNT
Sun 25 Oct 10:13:30 2015
ALTER DATABASE OPEN
ORA-38760 marked during: ALTER DATABASE OPEN...
Trace file:
...
...
...
:() 2015-10-25 10:13:30.087 SERVICE NAME
SESSION ID: (156.1) 2015-10-25 10:13:30.087
ORA-38701: seq 11 Flashback database log 11 1 thread: ' / u01/fra/PROD/flashback/o1_mf_c2oqypb0_.flb '.
ORA-27037: unable to get file status
Linux error: 2: no such file or directory
Additional information: 3
- Thank you.
you experience serious problem... because usually it works very well.
Try the following:
SQL > shutdown immediate;
SQL > bootable media.
SQL > alter flashback database;
SQL > alter database backup controlfile to trace noresetlogs;
SQL > shutdown immediate;
go to the trace file generated from running (alter database backup controlfile to trace noresetlogs ;)
location of the trace file is located in the query:
SQL > select * from v$ diag_info;
It will contain the script with the SQL commands, you can rename the file with the extension ".sql".
SQL > startup nomount
SQL > @trace_file. SQL
SQL > restore database;
SQL > alter database open;
So basically you are going to recreate the files of control again...
-
ORA-38754: FLASHBACK DATABASE not started; required redo log is not available
Hello
I am getting below error when executing the activities of flashback. Currently we have backups, so when I tried the command flashback in RMAN my question solved.
But if I want to do the same thing using SQLPLUS what steps should I take?
ERROR:
ORA-38754: FLASHBACK DATABASE not started; required redo log is not available
ORA-38762: redo logs needed for SNA to SNA 20062842936 20062842926
ORA-38761: redo log sequence 4 in thread 2, 65 incarnation cannot
consulted
DATABASE:11.2.0.3.0 (UAT)
RMAN will automatically restore logs archived redo required for the operation of blowback when they are not present on the drive, while (as meyssoun said) when using sqlplus required archived redo logs must be available on the disc.
Concerning
AJ
-
Unable to do the flashback database!
Hi all
I activated the flashback database and created a restore point with database of flashback guaranteed so that I can do a flashback database. When I do a flashback database, its says he needs the archivelogs to perform a recovery. Flashback log usually can all have a change given in flashback logs to use for flashbacking a database. Why apply archivelogs when all the changed data does not appear in flashback log itself? please tell me.
Kind regards
Pradeep. V
Hello
Database of flashback need newspapers archives files.
"Flashback Database is similar to traditional point-in-time recovery in its effects. To restore a database to the State at a time in the recent past. Flashback Database is much faster than the point-in-time recovery, because it doesn't require you to restore the backup data files and requires fewer changes of the archived redo logs. »
"No file in the fast recovery area is eligible for deletion if this is required to meet a guaranteed restore point. However, archived redo logs required to meet a guaranteed restore point can be deleted after that only they are saved on disk or on tape. When you use the
RMAN FLASHBACK DATABASE
command, if the archived redo must convince guaranteed a restore point are not available in the area of fast recovery, then they are restored from backups of logs. »REF. Doc:using Flashback Database, and Restore Points
HTH
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Duplicate database RMAN 11 GR 2 ORA-17627 ORA-01017 RMAN-03009 ORA-17628
Hello
I'm getting ORA-17627: ORA-01017: name of user and password invalid. connection refused when using the RMAN duplicate on the same host using the account Oracle DBA. The system is Linux Oracle and Oracle 11.2.0.1 5.5
I tested the connectivity and passwords and everything works fine. What could be the reason of this problem please?
Details below:
Thank you.
H3. Summary of the solution:
A big thank you to all who responded! The problem is solved finally :-)
The ORA-17627: ORA-01017 has been corrected using the connection string to connect to the target database, instead of target rman / in the command prompt
However, there was still another question:$ rman RMAN> connect target sys/password@orcl RMAN> connect auxiliary sys/password@clonedb RMAN> duplicate target database to clonedb from active database;
The alert.log to the auxiliary database (clonedb) shows:channel ORA_DISK_1: starting datafile copy input datafile file number=00001 name=+DATA/orcl/datafile/system.256.737564331 RMAN-03009: failure of backup command on ORA_DISK_1 channel at 12/29/2010 14:40:21 ORA-17628: Oracle error 19505 returned by remote Oracle server continuing other job steps, job failed will not be re-run
Errors in the /u01/app/oracle/diag/rdbms/clonedb/clonedb/trace/clonedb_ora_6129.trc file:
ORA-19505: impossible to identify the file ' / scratch/oradata/clonedb/datafile/orcl/datafile/system.256.737564331 '.
ORA-27040: create file error, cannot create the file
Linux-x86_64 error: 2: no such file or directory
I fixed the problem by changing the following text in the settings of the clonedb instance file:
* .db_file_name_convert =('+Data/ORCL/','/Scratch/oradata/clonedb/')
* .log_file_name_convert =('+Data/ORCL/onlinelog/','/Scratch/oradata/clonedb/logfile/')
Thank you!
H3. Problem:
H3. Configuration[orcl@ol55]$ rman target / Recovery Manager: Release 11.2.0.1.0 - Production on Tue Dec 28 21:40:25 2010 Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved. connected to target database: ORCL (DBID=1265345286) RMAN> connect auxiliary sys/test@clonedb connected to auxiliary database: CLONEDB (not mounted) RMAN> duplicate target database to clonedb from active database; Starting Duplicate Db at 28-DEC-10 using target database control file instead of recovery catalog allocated channel: ORA_AUX_DISK_1 channel ORA_AUX_DISK_1: SID=19 device type=DISK contents of Memory Script: { sql clone "create spfile from memory"; } executing Memory Script sql statement: create spfile from memory contents of Memory Script: { shutdown clone immediate; startup clone nomount; } executing Memory Script Oracle instance shut down connected to auxiliary database (not started) Oracle instance started Total System Global Area 839282688 bytes Fixed Size 2217992 bytes Variable Size 645924856 bytes Database Buffers 188743680 bytes Redo Buffers 2396160 bytes contents of Memory Script: { sql clone "alter system set db_name = ''ORCL'' comment= ''Modified by RMAN duplicate'' scope=spfile"; sql clone "alter system set db_unique_name = ''CLONEDB'' comment= ''Modified by RMAN duplicate'' scope=spfile"; shutdown clone immediate; startup clone force nomount backup as copy current controlfile auxiliary format '/scratch/oradata/clonedb/controlfile/control01.ctl'; restore clone controlfile to '/scratch/oradata/clonedb/controlfile/control02.ctl' from '/scratch/oradata/clonedb/controlfile/control01.ctl'; alter clone database mount; } executing Memory Script sql statement: alter system set db_name = ''ORCL'' comment= ''Modified by RMAN duplicate'' scope=spfile sql statement: alter system set db_unique_name = ''CLONEDB'' comment= ''Modified by RMAN duplicate'' scope=spfile Oracle instance shut down Oracle instance started Total System Global Area 839282688 bytes Fixed Size 2217992 bytes Variable Size 645924856 bytes Database Buffers 188743680 bytes Redo Buffers 2396160 bytes Starting backup at 28-DEC-10 allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=35 device type=DISK channel ORA_DISK_1: starting datafile copy copying current control file RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03002: failure of Duplicate Db command at 12/28/2010 21:42:08 RMAN-03015: error occurred in stored script Memory Script RMAN-03009: failure of backup command on ORA_DISK_1 channel at 12/28/2010 21:42:08 ORA-17629: Cannot connect to the remote database server ORA-17627: ORA-01017: invalid username/password; logon denied ORA-17629: Cannot connect to the remote database server
H4. Listener and Tnsnames
H3. Note: (UR = A) clause in tnsnames.ora is intended to operate with a dynamically
Manager recorded for the SERVICE_NAME against SID is preferable. (ID 362656.1)
H4. pFile and spfile$ cat /u01/app/oracle/product/11.2.0/grid/network/admin/listener.ora LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = ol55.example.com)(PORT = 1521)) ) ) SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (ORACLE_HOME= /u01/app/oracle/product/11.2.0/db) (SID_NAME = clonedb) (GLOBAL_DBNAME= clonedb.example.com) ) ) ADR_BASE_LISTENER = /u01/app/oracle ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER = ON $ cat tnsnames.ora # tnsnames.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db/network/admin/tnsnames.ora # Generated by Oracle configuration tools. CLONEDB = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = ol55.example.com)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = clonedb.example.com) (UR = A) ) ) $ lsnrctl status LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 28-DEC-2010 21:35:54 Copyright (c) 1991, 2009, Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production Start Date 26-DEC-2010 02:59:35 Uptime 2 days 18 hr. 36 min. 18 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /u01/app/oracle/product/11.2.0/grid/network/admin/listener.ora Listener Log File /u01/app/oracle/diag/tnslsnr/ol55/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ol55.example.com)(PORT=1521))) Services Summary... Service "+ASM" has 1 instance(s). Instance "+ASM", status READY, has 1 handler(s) for this service... Service "clonedb.example.com" has 2 instance(s). Instance "clonedb", status UNKNOWN, has 1 handler(s) for this service... Instance "clonedb", status BLOCKED, has 1 handler(s) for this service... Service "orcl.example.com" has 1 instance(s). Instance "orcl", status READY, has 1 handler(s) for this service... Service "orclXDB.example.com" has 1 instance(s). Instance "orcl", status READY, has 1 handler(s) for this service... Service "test.example.com" has 1 instance(s). Instance "test", status READY, has 1 handler(s) for this service... Service "testXDB.example.com" has 1 instance(s). Instance "test", status READY, has 1 handler(s) for this service... The command completed successfully
H4. Password file and the connection test$ cat initclonedb.ora clonedb.__db_cache_size=192937984 clonedb.__java_pool_size=4194304 clonedb.__large_pool_size=4194304 clonedb.__oracle_base='/u01/app/oracle' clonedb.__pga_aggregate_target=339738624 clonedb.__sga_target=503316480 clonedb.__shared_io_pool_size=0 clonedb.__shared_pool_size=293601280 clonedb.__streams_pool_size=0 *.audit_file_dest='/u01/app/oracle/admin/clonedb/adump' *.audit_trail='db' *.backup_tape_io_slaves=TRUE *.compatible='11.2.0.0.0' *.control_files='/scratch/oradata/clonedb/controlfile/control01.ctl','/scratch/oradata/clonedb/controlfile/control02.ctl' *.db_block_checking='full' *.db_block_checksum='full' *.db_block_size=8192 *.db_create_file_dest='/scratch/oradata/clonedb' *.db_domain='example.com' *.db_name='clonedb' *.db_recovery_file_dest='+FRA' *.db_recovery_file_dest_size=12884901888 *.log_archive_dest='/scratch/oradata/clonedb/archivelog' *.diagnostic_dest='/u01/app/oracle' *.dispatchers='(PROTOCOL=TCP) (SERVICE=clonedbXDB)' *.memory_target=843055104 *.open_cursors=300 *.processes=150 *.remote_login_passwordfile='EXCLUSIVE' *.undo_tablespace='UNDOTBS1' *.db_file_name_convert=('+DATA','/scratch/oradata/clonedb/datafile') *.log_file_name_convert=('+DATA','/scratch/oradata/clonedb/logifle') $ sqlplus / as sysdba SQL*Plus: Release 11.2.0.1.0 Production on Tue Dec 28 21:26:41 2010 Copyright (c) 1982, 2009, Oracle. All rights reserved. Connected to an idle instance. SQL> startup nomount pfile='$ORACLE_HOME/dbs/initclonedb.ora' ORACLE instance started. Total System Global Area 839282688 bytes Fixed Size 2217992 bytes Variable Size 641730552 bytes Database Buffers 192937984 bytes Redo Buffers 2396160 bytes SQL>
Published by: Dude on December 29, 2010 06:37$ orapwd file=$ORACLE_HOME/dbs/orapwclonedb password='test' $ sqlplus 'sys/test@clonedb as sysdba' SQL*Plus: Release 11.2.0.1.0 Production on Tue Dec 28 19:58:14 2010 Copyright (c) 1982, 2009, Oracle. All rights reserved. Connected to an idle instance.
Hi guy,
Please configure the tnsnames and auditor of the target and auxiliary.
That set the script to use OIC to connect in both instances like this:connect target sys/test@orcl
connect auxiliary sys/test@clonedbPlease after the release.
Kind regards
Tycho -
Hello
Recently, I noticed when I pulled the immediate stop of RMAN , it was much faster then the execution even S * QL invite *, is there is no logic behind that?
PiyushHello
There is no difference in the speed of the SQL command RMAN.
The only thing that matters is the amount of work that needs to be cancelled. When there is a lot of work to reduce the immediate closure takes more time.
Friend
-
With the help of Flashback Database with Yvert
Hello!
I am not able to flashback table that was dropped...? .....
SQL > select log_mode, flashback_on from v$ database;
LOG_MODE FLASHBACK_ON
YES ARCHIVELOG
SQL > select current_scn from v$ database;
CURRENT_SCN
* 545466 *.
SQL > create user usman identified by usman;
Created by the user.
SQL > grant connect, usman resources;
rant succeeded.
SQL > conn usman/usman
Connected.
SQL > create table testtable (id number (9));
Table created.
SQL > insert into testtable values (101);
1 line of creation.
SQL > insert into testtable values (102);
1 line of creation.
SQL > insert into testtable values (103);
1 line of creation.
SQL > commit;
Validation complete.
SQL > select * from testtable;
ID
101
102
103
SQL > conn sys as sysdba
Enter the password:
Connected.
SQL > select current_scn from v$ database;
CURRENT_SCN
* 545536 *.
SQL > drop table testtable is serving;
Deleted table.
SQL > commit;
Validation complete.
SQL > testtable desc;
ERROR:
ORA-04043: testtable object does not exist
I stop my database and started in flashback mount my database.with RMAN I checked incarnation...
RMAN > list incarnation;
using the control file of the target instead of recovery catalog database
List of Incarnations of the database
DB key Inc key STATE ID DB name DB reset reset time SNA
1 1 1221198182 1 AUGUST 30 PARENT ORCL 05
2 2 ORCL 1221198182 CURRENT 534907 28 JULY 09
SQL > flashback to the SNA database 545466;
Flashback complete.
By mistake I have flashback my database to bad SNA 545466 as above... But I had to flashback to the SNA 545536 which I noted before a fall table.
SQL > alter database open resetlogs;
Database altered.
After level incarnation resetlog also changes...
RMAN > list incarnation;
using the control file of the target instead of recovery catalog database
List of Incarnations of the database
DB key Inc key STATE ID DB name DB reset reset time SNA
1 1 1221198182 1 AUGUST 30 PARENT ORCL 05
2 2 ORCL 1221198182 PARENT 534907 28 JULY 09
3 3 ORCL 1221198182 CURRENT 545472 28 JULY 09
After opening of database with resetlog option when I try to connect it is in error.
SQL > conn usman/usman
ERROR:
ORA-01017: name of user and password invalid. connection refused
WARNING: You are more connected to ORACLE.
It means I have the flashback database before the creation of the SNA 545466 user;
I stop my database and the flashback to the right RCS 545536 which was before the deleted table.
SQL > flashback to the SNA database 545536;
Flashback complete.
SQL > alter database open resetlogs;
Database altered.
But still he does not connect the user usman... Please helpppp
SQL > conn usman/usman
ERROR:
ORA-01017: name of user and password invalid. connection refused
WARNING: You are more connected to ORACLE.
How can I get my table with flashback only
Please answer me...Hi Usman,
you're right, I didn't notice the "purge" in your ad:
>
...
SQL > drop table testtable is serving;
Deleted table.
...
>Kind regards
Uwehttp://uhesse.WordPress.com
-
Maximum length of the SQL command
I created a MySQL database and a LabView 8.6 application that inserts data into the database using the SQL Toolbox. I have a problem very long character data insertion in a LONGTEXT field. I determined that the problem occurs when the SQL command is more than 1 048 574 characters or the length of a particular field exceeds 1 048 326 characters (cannot say who).
The error I get is "error-2147467259 occurred at NI_Database_API.lvlib:Conn Execute.vi. "Exception occurred in the Microsoft OLE DB provider for ODBC drivers: [MySQL] [ODBC 5.1 Driver] [mysqld - 5.1.35 - community] MySQL version disappeared in NI_Database_API.lvlib:Conn Execute.vi.
According to the MYSQL documentation, a LONGTEXT can 4294967295 characters, so length shouldn't be a problem. The documentation also indicates "the effective maximum length of LONGTEXT columns also depends on the maximum packet size that is configured in the client/server protocol and available memory", but I don't know how to configure the packet size in LabView.
I enclose the code example that reproduces the problem, although it is based on a special run table structure effectively. The table definition is included on the diagram.
This setting must be configured outside of LabVIEW (UDL or DSN).
You must configure the server and the client:
I found this link while searching on stackoverflow
http://dev.MySQL.com/doc/refman/5.1/en/packet-too-large.html
You may need to select/Configure a specific vendor (different) in order to set this variable.
-
Files without a NAME during the Flashback Database
Hi all
Why, in flashback, database, retrieve a tablespace has dropped the datafile (s) consisting of within table get renamed to UNNAMEDnnn? I was going through some examples on the internet but did not find any concrete reason as to why this happens during the flashback recovery. If the tablespace can be recreated during the process, why not data files that compose?
Could someone help me please in my understanding.
Thank you.
Prithwish Adhikari wrote:
Hello
I was talking about the flashback database to retrieve a tablespace has fallen. Please find below the link
http://www.DBA-Oracle.com/t_rman_159_restore_dropped_tablespace.htm
My question is
"
flashback
database to the SNA 460217.
database of flashback to the SNA 460217
*
ERROR on line 1:
ORA-38795: WARNING: flashback has managed but open resetlogs would get error
below
ORA-01245: offline file 5 will be lost if resetlogs is done
ORA-01111: name for the data file 5 is unknown - rename it to the correct file
ORA-01110: data file 5: ' / u01/oracle/product/10.2.0/db_1/dbs/UNNAMED00005'
"
Why, in flashback, database, the data file associated with the storage space gets renamed to unnamed?
Thanks for the link and new info.
The reason is the same as in these quotes from doc that I have provided. As ORA-01111 indicates the name of the actual file is unknown so Oracle creates a unique name, then stops recovery so that you can provide the name and location.
Why, during the flashback database, retrieve a tablespace has fallen...
This formulation and the wording of the article, is probably what is mislead you. You cannot recover a tablespace using FLASHBACK DATABASE:
Here is the doc for FLASHBACK DATABASE
http://docs.Oracle.com/CD/B28359_01/backup.111/b28273/rcmsynta023.htm
Notes A Flashback Database use operation applies to the entire base. You cannot flash back, individual storage spaces. A Flashback Database operation is similar to a point-in-time data recovery (DBPITR) with
RECOVER
, but RMAN uses flashback logs to undo changes to a point before the time runs out or SNASee that second sentence? You NEED to recover the entire database and, as this quote from doc says, made it like CAMILLE by RECOVER.
In this example, the storage space AND data files were dropped. So please check the doc to DROP TABLESPACE
https://docs.Oracle.com/CD/B28359_01/server.111/b28286/statements_9004.htm
Oracle database deletes all metadata about the space of storage data files and all the data dictionary tempfiles in the tablespace. The database also automatically removes the operating system all data files managed by Oracle and tempfiles in the tablespace. Other data files and tempfiles are not removed from the operating system unless you specify
INCLUDING
CONTENTS
AND
DATAFILES
.See? No additional data in the dictionary for the tablespace or data files. Real datafiles is more if they were managed by Oracle. But there MAY be data files of the operating system if you do NOT use this last clause.
If Oracle recreates the files using unique names and then allows you to CONFIRM that the name and location should really be.
You have a problem with that? Or just try to understand?
-
LOV query fails, but works in SQL commands
I am trying to create a type with semi-automatic item text field, but the query I fill in the definition of LOV returns an error:
Impossible to analyze the query SQL LOV!
ORA-00942: table or view does not exist
Although when I try the same query in the form of SQL commands, it works without any problem. No idea what I am doing wrong?
The query is as follows, where v_prt_gem_t is a view and prt_gem is a table.
SELECT PG.POST_CODE||' '||PT.NAAM FROM V_PRT_GEM_T PT INNER JOIN PRT_GEM PG ON PT.NR = PG.NR WHERE LAN_NR = 4
Julijan wrote:
I am trying to create a type with semi-automatic item text field, but the query I fill in the definition of LOV returns an error:
Impossible to analyze the query SQL LOV!
ORA-00942: table or view does not exist
Although when I try the same query in the form of SQL commands, it works without any problem. No idea what I am doing wrong?
The query is as follows, where v_prt_gem_t is a view and prt_gem is a table.
- SELECT
- PG. POST_CODE | » '|| PT. NAAM
- Of
- PT V_PRT_GEM_T
- JOIN IN-HOUSE
- PG PRT_GEM
- WE
- PT. NR = PG. NR
- WHERE
- LAN_NR = 4
It is likely that CERTAIN privileges on one or two tables/views used are granted for the scheme of the analysis of the application through a role, not directly to the schema. Role-based privileges will be observed in the workshop of SQL in the latest versions of database, but not for running applications. See (YABAOAE) yet another Blog about Oracle Application Express: Application Express and SQL Analysis for detailed information.
That's why you always have to give the full APEX and the database version numbers when you ask a question: implementations and features change over time. If we know exactly which versions are used so we can determine what behavior is expected, and what bugs exist or have been corrected...
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