Oracle DBA (Database Administration) Interview Questions
Questions Answers Views Company eMail

How can be determining the size of the log files?

272

Show one instance when you encountered an error in alert log and you overcome that error. What actions you took to overcome that error.

285

What will you do if in any condition you do not know how to troubleshoot the error at all and there are no seniors or your co-workers around?

302

How can you tell if a tablespace has excessive fragmentation?

309

If a tablespace has a default pctincrease of zero what will this cause (in relationship to the smon process)?

277

What is a database instance?

280

Which is the best option used to move database from one server to another serve on same network and why?

249

What is the most important action a dba must perform after changing the database from noarchivelog to archivelog?

311

How can you determine the number of sqlnet users logged in to the unix system?

280

The system administrator tells you that the system has not been rebooted in 6 months, should he be proud of this?

291

How can you find your id on a system?

270

What os user should be used for the first part of an oracle installation (on unix)?

267

The system has a program that always includes the word nocomp in its name, how can you determine the number of processes that are using this program?

286

You have installed oracle and you are now setting up the actual instance. You have been waiting an hour for the initialization script to finish, what should you check first to determine if there is a problem?

273

Why are recursive relationships bad? How do you resolve them?

284


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Un-Answered Questions { Oracle DBA (Database Administration) }

When should an artificial (or derived) primary key be used?

325


What is the full form of dba?

299


What are the different types of database users?

276


Where would you look to find out if a redo log was corrupted assuming you are using oracle mirrored redo logs?

267


What are dba privileges?

257






What is the difference between a database and instance? What is the relation between them?

279


When using oracle export/import what character set concerns might come up? How do you handle them?

299


What do you mean by oracle dba?

277


What is end user in database?

297


What database block size should I use?

396


When should you increase copy latches? What parameters control copy latches?

292


How can you determine if the sqlnet process is running for sqlnet v1? How about v2?

280


What is da in database?

271


What are database skills?

272


Does dba need to know programming?

279