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

588

---

How can be determining the size of the log files?

621

---

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

610

---

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?

620

---

How can you tell if a tablespace has excessive fragmentation?

638

---

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

635

---

What is a database instance?

633

---

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

582

---

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

708

---

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

613

---

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

624

---

How can you find your id on a system?

606

---

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

590

---

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?

612

---

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?

640

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