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DB Administration Interview Questions
Questions Answers Views Company eMail

what is the role of dip user in our database?

1597

how to copy(migrate) the database one server to another server without using expdp/impdp how it is possible.

DELL, TCS,

4 5890

Claims and Drains are the locks used to control the concurrency between SQL processes and utilities. Referring to the above statement, what is the maximum number of concurrent Claimers for a Subsystem? Choice 1 32 Choice 2 64 Choice 3 128 Choice 4 256 Choice 5 No limit

1425

how to restore files with rman?

1281

how will you see when the database was started using sql prompt?

IBM,

2 3835

what is the diffrence between core dba and apps dba?

Cap Gemini,

1607

how can you connect from 10g user to 11g user??

HP,

1206

one datafile is lost in standy side how can you recover that??

2 2042

i want export 50gb data in datapump it will take 2 hours time to complete that how can u export that tell me script ???

iGate,

1 4032

I lost one datafile i dont have backup how can you recover that???

HP,

2 3906

what is the use of home directory???

HP,

1 3020

what is rebuild index??

IBM, Sapient,

2 3730

What is the dataguard background process??

iGate,

1 4458

which background process invoke at the time of upgradation tell me???

iGate,

1714

any body know about orawaves do they really provide placements in their unique placement program

TCS,

1 2716


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Un-Answered Questions { DB Administration }

how can you schedule a job in database?

188


What is dbcc? : sql server DBA

240


what are the benefits of flashback feature?

167


. I have my backup RMAN script called "backup_rman.sh". I am on the target database. My catalog username/password is rman/rman. My catalog db is called rman. How would you run this shell script from the o/s such that it would run as a background process?

1454


how can you initialize log miner?

152






what is a user-defined lock?

160


What are the different types of database compression introduced in sql server 2008? : sql server DBA

156


how can you process messages in order asynchronously?

164


What is the difference between the 2 operating modes of database mirroring? : sql server DBA

166


what are the types of connection load-balancing?

160


what are the differences of where and if in SAS?

1196


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

1557


Oracle client is not able to connect to Oracle server although tnsnames.ora file has valid enteries. Oracle error message is “ cannot resolve net service name”. Mention any three reasons.

1554


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

166


what functionality does oracle provide to secure sensitive information?

152