How do I resolve ORA 16000 database open for read only?

How do I resolve ORA 16000 database open for read only?

If you got the above output then your database is physical standby which is READ ONLY mode. You can only select when the database is in Read only mode. If you want to do any changes then you need to change mode to READ WRITE and recreate your standby database.

How do you open database with read only with apply?

To open a standby database for read-only access when it is currently performing managed recovery:

1. Cancel log apply services: SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;
2. Open the database for read-only access: SQL> ALTER DATABASE OPEN READ ONLY;

How do I make my Oracle database read only?

Answer: You can make a read only user and make read only tablespaces but you can also make the entire database read-only with an alter command. ORACLE instance started. SQL> alter database open read only; Database altered.

Can we do Expdp on standby database?

It’s important to know that Data Pump Export (expdp) cannot be executed directly on the Physical Standby database. This is due to the fact that Data Pump Export needs to create and maintain a Master Table which requires that a database would be open in “READ WRITE” mode.

How do I open a standby database in read write mode?

Open Standby in Read-write Mode When Primary is Lost

1. 1.) Open standby database in mount state :
2. 2.) Recover if there is any archive logs:
3. cancel.
4. 3.) Finish the Recovery process :
5. 4.) Activate the Standby Database :
6. 5.) Check the new status.
7. 6.) Open the Database.

How can I tell if my database is in read write mode?

SELECT open_mode FROM v$database; If the value is: ‘MOUNTED’, your database is mounted. ‘READ WRITE’, then you can assume it’s been activated.

How do I put my database in restricted mode?

Placing Open Database In Restricted Mode If you do not want to shutdown the database, there is an ALTER SYSTEM command you can use to place the database in restricted mode. SQL> alter system enable restricted session; The downside to this method is that users already connected to the database will not get disconnected.

How do I open a database in read write mode?

How do I enable Active Data Guard in physical standby database?

Perform the following steps:

1. Invoke DGMGRL and connect as SYS. Enter for SYS.
2. Invoke SQL*Plus and connect to your standby database as SYSDBA.
3. Invoke DGMGRL and connect as SYS.
4. Invoke SQL*Plus and connect to your standby database as SYSDBA.
5. Invoke SQL*Plus and connect to your primary database as SYSDBA.

Can we take RMAN backup of standby database?

RMAN backups performed on standby database are fully interchangeable. The backups can be used to perform all sorts of restore, recover operations on primary as well standby databases. There is no change in the restore, recovery commands, the syntax are remains the same.

How do I change a database from read only to read write mode in SQL Server?

Msg 3906, Level 16, State 1, Line 10 Failed to update database “MyData” because the database is read-only. Of course, experience DBA can say that your database is read-only and you don’t have any way to write into it. All you need is simply mark the database as read-write. That’s it.

How do you open physical standby for read/write test and flashback?

Open Physical Standby For Read Write Testing and Flashback

1. Step 1 – In Standby database. A ) Set up a flash recovery area.
2. Step 2 – In Primary Database.
3. Step 3 – In Standby database.
4. Step 4 – In Standby database.
5. Step 5 – In standby database.

Does set transaction read only solve ora-16000 problem?

According to your post, the “set transaction read only” resolves ORA-16000 error when LOCAL read-only database dblinks to REMOTE database (normal open). Does it also solve the ORA-16000 problem where LOCAL (normal open) database dblinks to REMOTE read-only database?

What does it mean when a database is open for read only?

Cause: The database has been opened for read-only access. Attempts to modify the database using inappropriate DML or DDL statements generate this error. Action: In order to modify the database, it must first be shut down and re-opened for read-write access.

What does ora-16000 mean?

ORA-16000: database open for read-only access Cause: The database has been opened for read-only access. Attempts to modify the database using inappropriate DML or DDL statements generate this error. Action: In order to modify the database, it must first be shut down and re-opened for read-write access.

Can We Run read only queries in read only mode?

We started up a database in read only mode,all users are able to run read only queries . One user who has a database link to another database cannot run a read only query and do a minus operation. The target database is read-write. The source database temp data files are read-write.