RMAN Script

Today we are going to have look on the most important topic “script”.  Being human being we are using the script from the long time ago. Before the start, our technical topic has some look use in normal life. Definition A script is any particular system of writing or the written means of human communication. Script originated as simply a […]

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RMAN Image Copy And Compressed Backup

Let’s have look on the steps used for “RMAN Image Copy And Compressed Backup” Backing up Particular Datafile and System file:

Backup Database:

Compressed Backup:

Today’s thought.. “Be helpful. When you see a person without a smile, give them yours.” —  Zig Ziglar Thank you for giving your valuable time to read […]

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Recover From Redo Log File (After Lost Data File))

Today we are going to have look on the steps which we are going to use in Oracle for ” Recover From Redo Log File (After Lost Data File)”. The loss is loss being DBA we well understand the cost of loss “CDR” Check archive list

check the tablespaces and datafile

Create new tablespace […]

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Change SYS password in Data Guard environment

Today we are going have look at changing the password of SYS in the Data Guard environment. Normally we have seen how to change the password of the normal user. That seems a game of kids,  Now we must learn new things in Oracle RDBMS. Let’s have look at the steps we use to change […]

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ORA-03297: file contains used data beyond requested RESIZE value

Today we are talking about the steps we use to solve the “error ORA-03297: file contains used data beyond requested RESIZE value” Let’s have look on the steps. QUERY 1 – datafile Allocated space, free space, High Water Mark location,%Free and resizeable MB

QUERY 2 – location of segments within a data file (Provide file_id […]

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ORA-00257: archiver error

Let’s have look at the post of error’s solving steps. ORA-00257: archiver error. Connect internal only, until freed Or ORA-16020: fewer destinations available than specified by LOG_ARCHIVE_MIN_SUCCEED_DEST Symptoms: A user cannot connect to the database.

Cause: The flash_recovery_are is full. To perform archiving one destination is allowed (log_archive_min_succeed_dest= 1). Solution: Check the space limit and […]

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RMAN Incremental Backup

We are aware RMAN plays an important role in backup strategies  Today we are going to have a look “RMAN Incremental Backup”. Let’s have look on the steps. Create table for testing purpose

Create a incremental backup with tag option

Create another table

Create a incremental backup for next run

Create another […]

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RMAN Particular Datafile Backup

Let’s have look on the steps we use for “RMAN Particular Datafile Backup” Check the datafile

Create a dummy table and insert some records.

Backup datafile

Now insert some records

Now, shutdown the database and remove the datafile

Try to start the database

We need to recover the datafile […]

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RMAN Recovery From Missing All Control File

Today we are going to have look on the steps are used for “RMAN Recovery From Missing All Control File”. Take a DBID

Check the RMAN configuration

Configure control file backup

BACKUP database

Check the controlfile location

Shutdown the database and remove the controlfile.

Try to start the database […]

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