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DB Administration Interview Questions
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I have kept recovery catalog on same target database and taken backup of target DB to disk. deleted the target DB & tried to restore and revoer DB using the backup on disk but it is not possible, how do we restore & recover DB

 1516

If CPU is very slow What can u do to speed up?

 1 3170

if monday take full backup and tuesday it was cumulative backup and wednesday we taken incremental backup, thursday some disaster happen then what type of recovery and how it will take?

 1 3346

when we login sql editor using username and password then it says this error "could not resolve service name" then what can we do at client side.( here thing is tnsnames.ora file is ok till yesterday and worked well, but now it giving error.

 1227

How many memory layers are in the shared pool?

 3 6361

How do you find out from the RMAN catalog if a particular archive log has been backed-up?

IBM,

2 10129

How can you tell how much space is left on a given file system and how much space each of the file system's subdirectories take-up?

 2023

Define the SGA and: How you would configure SGA for a mid-sized OLTP environment? What is involved in tuning the SGA?

 3298

What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?

 1964

Other than making use of the statspack utility, what would you check when you are monitoring or running a health check on an Oracle 8i or 9i database?

 1547

How do you tell what your machine name is and what is its IP address?

 4 5723

How would you go about verifying the network name that the local_listener is currently using?

 2749

You have 4 instances running on the same UNIX box. How can you determine which shared memory and semaphores are associated with which instance?

 3931

What view(s) do you use to associate a user's SQLPLUS session with his o/s process?

 2093

What is the recommended interval at which to run statspack snapshots, and why?

 1 2558

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Un-Answered Questions { DB Administration }

Which dictionary view(s) would you first look at to understand or get a high-level idea of a given Advanced Replication environment?

1503

What the different types of replication and why are they used? : sql server DBA

548

How do you troubleshoot errors in a sql server agent job? : sql server DBA

555

What is transparent data encryption? : sql server DBA

558

What happens on checkpoint? : sql server DBA

555




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1712

currently iam working in mnc as a oracleappsdba,please send the EXPERIENCE RESUME those who r worked as a oracle apps dba

1857

how do we explain a project in cognos in an interview? please help me. Also how do we perform testing in cognos after creating reports?

2961

what is a crs resource?

586

What types of replication are supported in sql server? : sql server DBA

591

how can you initialize log miner?

568

What are the recovery models for a database? : sql server DBA

580

what do you understand by flashback feature of oracle?

548

Where do you find the default index fill factor and how to change it? : sql server DBA

544

How can you control the amount of free space in your index pages? : sql server DBA

719

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