What do you understand by the term 'normalization'?

447

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

438

What are the tradeoffs between many vs few indexes? When would you want to have many, and when would it be better to have fewer?

467

What is dba training?

391

How do I become a database administrator?

393

A tablespace has a table with 30 extents in it. Is this bad? Why or why not.

406

Which files are vital that should be backed up?

435

What does dba stand for database?

423

How should a many-to-many relationship be handled?

395

How can you find out how many users are currently logged into the database?

445

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?

447

What are the skills required for oracle dba?

444

Which rman command is used to create an exact replica of a database innew host?

393

What do you mean by oracle database?

397

What is dba and functionalities of dba?

417