Changing the dbid is necessary when you want to use an rman catalog to backup a cloned instance. If your goal is to perform a test run of the disaster recovery procedures you would use following a real disaster, or to permanently move the target database to the new host, then use the procedure described in this section, which uses the restore and recover commands note, however, that the dbid for the restored test database will be the same as the dbid for the original database. Assume that you want to obtain information about one of the target databases registered in the recovery catalog. Instead, here is plsql block you can run to make the change. You can choose a dbid when you rename your oracle database. How to find out the oracle port numbers used for isqlplus, dbconsole, grid control oms, om agent etc. Change the oracle database name using nid utility with below easy steps. This can be done both when the database is open functioning normally and when all the database files are lost causing your database to be unavailable for queries that would allow you to display the dbid of your database via. I have a customer who is in the process of migrating massively to multitenant using many cdbs, so i decided to give it a try to check how much time they could save for the cdb creations.
Specify the dbid for the target database with the set dbid command, as described in performing recovery with a backup control file and no recovery catalog. Set dbid when i go back to sql prompt its cant changed. The following steps describe how to change the dbid of a database. Changing the dbid and database name is possible since version 9. After a clone of a database to another machine with the same database name or if a new database name is created by recreating the controlfile, there is a need to recreate the dbid especially if the new database is to be registered in the same rman catalog. How to restore oracle database using rman with examples. Aug 10, 2010 we need dbid whenever we lost our all database files, or whenever we need to restore spfile or control file. One way is to read chapter 16 dbnewid utility in the utilities manual that allows you to change both the name and dbid at the same time. Ctl change database id and database name tsh1 to tsh2. Jul 14, 2009 after a clone of a database to another machine with the same database name or if a new database name is created by recreating the controlfile, there is a need to recreate the dbid especially if the new database is to be registered in the same rman catalog. Oracle db change no archive log mode to archive lo.
Jan 15, 2016 recently i restore a database from tape to a different host and at the same time i need to rename the database. Prior to this you have to manually create a copy of a database and give it a new database name dbname by recreating the control file. Prior to introduction of dbnewid utility it was possible to change the name of the database by manually creating a new control file but it was not possible to give new dbid to the database. To change the database id without changing the database name, follow the steps in changing the dbid and database name, but in step 3 do. Im excellent in shell scripting and shell programming.
To register the copy database in the same recovery catalog with the original, you must change the dbid with the dbnewid utility refer to oracle database utilities. How to drop and recreate temp tablespace in oracle 443 8 ora04036. If you do not have a record of the dbid of your database, there are two places you can find it without opening your database. Pelase see below which could be helpful for your issue. Change dbid of database oracle dba tips and techniques. How to change the dbid and the dbname by using nid id. It is an internal, uniquely generated number that differentiates databases. Plsql is my favourite programming language followed by perl. If you change the dbid you must open the database with the resetlogs. How to drop and recreate temp tablespace in oracle 44278 8 ora04036.
Oracle database 11g xe express edition install guide and connect with sql developer duration. How to list or install only security updates with dnf in centosrhel 8 how to. Mar 23, 2014 there are several methods you can use to determine the dbid of your database. The dbid, which is a unique systemdefined number given to every oracle database, is used to distinguish among databases registered in the rman recovery catalog. Oracle db using thai support features in oracle da. To change the database id without changing the database name, follow the steps in changing the dbid and database name, but in step 3 do not specify the optional database name dbname. Locate that file, and then refer to configuring the control file autobackup format to see where the dbid appears in below. The dbid is an internal, unique identifier for a database. The dbnewid utility must access the datafiles of the database directly through a local connection. There are several methods you can use to determine the dbid of your database. Windows 8 pro full version download with lifetime activation. However, you could not give the database a new identifier dbid. How do you change the database id dbid of an oracle. In my opinion its value is limited if you only have on or two instances, but it comes into its own where large numbers of instances on multiple platforms are used.
Im passionate about working in oracle rac,performance tuning,soa,apps 11ir12 and oracle idam. The nid utility allows you to change only the dbname, or only the dbid or both dbname and dbid in the same command. Ctl dbid changed database id for database test1by changed to 97190693. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information. This document gives you technical help how to change either dbid, name or both. Note that although this page shows the status of all builds of this package in ppm, including those available with the free community edition of activeperl, manually downloading modules ppmx package files is possible only with a business edition license.
May 10, 2015 oracle database 11g xe express edition install guide and connect with sql developer duration. If you change the device on which backups for a client are stored, you must. How to rename database and then move datafile online in oracle. How to change the oracle database name using nid utility dbaclass. How to change the oracle database name using nid utility. To change the database name in addition to dbid enter the following command.
The nid change the old dbid 95399949 to the new dbid 97190693. The dbnewid utility has the following restrictions. Yn y proceeding with operation changing database id from 79153 to. May 19, 2012 which changes the dbid to a new dbid you cant set dbid though as your wish and change the database name to sonu1. To change the dbid of a database, the database must be mounted and must have been shut down consistently prior to mounting. We need dbid whenever we lost our all database files, or whenever we need to restore spfile or control file. In the case of an oracle real application clusters database, the database must be mounted in noparallel mode. Tim hall has this procedure to rename an oracle database using the new dbnewid also called nid, for new id utility.
I have renamed my testpractice oracle database, to the name of my production database. I have worked on solaris,hpux,ibmaix,linux and windows platform. Moid moidiitdocid542 install 11g r2 on 64bit centos 5. On the server were you restored the database make entries in the tnsnames. If you already have a commercial license, you should download your software from the oracle software delivery cloud, which is specifically designed for customer fulfillment. Sql exit disconnected from oracle database 11g enterprise edition release 11.
To change the database name in addition to the dbid, also specify the dbname parameter on the command line you will be prompted for a password. Oracle creates this number automatically as soon as you create the database. The dbid is used in forming the filename for the control file autobackup. I also need to change the dbid of my test database to be same as the production database, so as not to confuse rman. In this example, oracle is the password for the user with sysdba authority and aux is the net service name for the auxiliary instance. Dell emc avamar for oracle user guide dell technologies. Oracle 8i doc chapter 6 of rman 8 8 change either dbid, name or both. Recovery manager rman in oracle 8i recovery manager is a platform nonspecific utility for coordinating you backup and restoration procedures across multiple servers. Sql interview questions linux php and html downloads general home oracle oracle. How to change the dbid and the dbname by using nid id 224266.
How to choose your oracle database id dbid pythian blog. In this case the follow operations are performed is below. Im passionate about working in oracle rac,performance tuning,soa,apps 11ir12 and. Although dbnewid can accept a net service name, it cannot change the dbid of a nonlocal database. Rman identifies instances using the dbid, preventing the original and cloned instance being managed by the same catalog. List of database failures failure id priority status time detected summary 142 high open 15jul07 one or more nonsystem datafiles are missing analyzing automatic repair options. The nid new database idis a new utility introduced with oracle 9. This can be done both when the database is open functioning normally and when all the database files are lost causing your database to be unavailable for queries that would allow you to. Creating and updating duplicate databases with rman oracle.
Can nid be used to change dbid to a specific value. I dont want to change it to whatever random value oracle picks. Optionally, you can change the database name as well. The dbnewid utility allows the dbid to be altered for the first time and makes changing the dbname simpler. If you do not have the oracle net files, then connect using operating system authentication. From oracle 9i dbnewid utility is introduced to perform this task very easily. The dbid is a very important part for oracle databases. Oracle db migrate oracle db files system to asm di. Apr 15, 2011 dbid is called the internal database identifier. However database restart is needed at some points so maintenance with downtime should be scheduled for this operation. How to run dbnewid utility in windows if this is your first visit, be sure to check out the faq by clicking the link above. How to find the database id dbid every oracle database has its unique identifier called dbid which is necessary in most critical situations like recovery from loss of all control file using rman autobackup.
Mar 09, 2011 the dbnewid utility allows the dbid to be altered for the first time and makes changing the dbname simpler. Ensure that you have a recoverable whole database backup. The following is an example of the type of output that is generated when only the database id is changed. Sqlhost nidarjua dbnamearjut which changes the dbid to a new dbid you cant set dbid though as your wish and change the database name to arjut. Typically, dbas will use oracle rman utility to take a hot backup of the. Interview questions and answers, rman unknown when you clone the database, the db id remains same as like the source database, if you need to change to the different db id, then this note will be useful. We cover about oracle, mysql, postgresql, big data, hadoop, linux, sybase, teradata, goldengate, rac, replication, backup and recovery. Oct 20, 2016 how to download and deploy oem plugins in offline mode may 8, 2020 how to apply oracle rac psururur patches by using fleet maintenance in oracle enterprise manager cloud control may 6, 2020 create gold image fails with a gold image with the name already exists from oem c fleet maintenance may 5, 2020. To change the dbid of a database, the database must be mounted and must have been shut down consistently before mounting. Oracle 12c finding the dbid the last resort blog dbi. Nid utility in oracle is used to change the dbid and database name. Dbnewid utility page 1 dbnewid utility this document gives you technical help how to change either dbid, name or both. Table 8 oracle managed files initialization parameter settings.