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

Discuss row chaining, how does it happen? How do you correct it?

361

You attempt to add a datafile and get: ora-01118: cannot add anymore datafiles: limit of 40 exceeded. What is the problem and how can you fix it?

388

What is tkprof and how is it used?

393

As an oracle dba what are the entire unix file you should be familiar with?

368

You are getting busy buffer waits. Is this bad? How can you find what is causing it?

358

How does one create a new database?

396

What database block size should I use?

490

How does one coalesce free space?

366

What does dba stand for database?

385

What is the full form of dba?

397

How many dba can you have?

365

Does a dba have to file taxes?

371

What does a dba do all day?

355

Who is dba in dbms?

373

What skills does a dba need?

387


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

What is difference between co-related sub query and nested sub query?

366


What skills does a dba need?

387


What are the functions of administration?

366


List five most important parameter in 9i affecting performance?

371


What are types of data model?

365






What file will give you oracle instance status information? Where is it located?

374


What do you understand by recovery catalog?

373


What are the five main functions of a database administrator?

382


How can you determine if an oracle instance is up from the operating system level?

369


Describe hit ratio as it pertains to the database buffers. What is the difference between instantaneous and cumulative hit ratio and which should be used for tuning?

402


What is dba training?

362


What is oracle dba role?

366


What should a dba know?

348


What is tkprof and how is it used?

393


What are the various ingredients of sga?

364