What is the difference between raid 5 and raid 10? Which is better for oracle?

424

What skills should a dba have?

388

What is dba in sound level?

383

How many control files should you have?

418

What is oracle archived redo log?

403

How can you determine if an index needs to be dropped and rebuilt?

404

You look at the dba_rollback_segs view and see that you have a large number of wraps is this a problem?

420

How can you find dead processes?

383

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

405

What do you understand by a control file?

369

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

369

Explain the process you follow to start looking into performance issue at database level(if the application is running very slow, at what points do you need to go about the database inorder to improve the performance?)

530

A user is getting an ora-00942 error yet you know you have granted them permission on the table, what else should you check?

391

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

399

If you see the value for reloads is high in the estat library cache report is this a matter for concern?

447