Database Administration - Unit Wise Questions

1. What do you mean by Database and database management system? Explain the SQL Plus overview.

1. Explain the database management system architecture and also explain the DBA roles and responsibilities.

1. Explain any detail about the DBMS architecture.

1. Explain the database management system and also describe the database management system architecture.

1. What is profile? How is it different from user? How do you create, assign, alter, and drop profile? Explain with suitable examples. 

2. What do you mean by Redo log files? Explain the maintaining and monitoring redo log files.

2. How can you design the plan of backup, recovery and security of an organization? Explain.

1.Explain the database management system architecture and also explain the DBA roles and responsibilities.

1. Explain the DBMS architecture and its applications.

1. How do you manage user privileges and roles ? Explain using suitable examples.

2. What do you mean by database performance Tuning? Explain the role of ADDM and SQL Access Advisors in performance testing of oracle database.

2. Explain the managing, maintaining and monitoring redo log files with appropriate example.

2. What do you mean by Redo log files? Explain the maintaining and monitoring redo log files.

2. Why do we need recovery in databases? How do you define backup and recovery procedure?

2. You are working as DBA in Nepal Clearing House Limited which handle 24/7 online system. You have to design security and backup procedure for the organization.

3. What is tuning methodology? Explain the Automatic database diagnostic monitor with its applications.

3. As a DBA explain how you can manage user privileges, roles and profiles? Consider you got a call from your backup DBA while you are on leave. He has corrupted all of the data files while playing with the ALTER DATABASE CONTROLFILE command. What do yo do? Explain.

2. Why do we need recovery? Discuss undo and redo log files used in recovery?

3. Explain the backup and recovery plan and strategy with practical example.

2. Explain the process to design the backup, recovery and security plan for the government organization.

3. Explain the control and Redo log files with applications.

3. What are the various kinds of performance report available in the oracle database management system mention the name and describe them one by one.

3. Explain Backup and recovery plan. How do you test the backup and recovery plan?

3. How can you manage, maintain and monitoring the redo log files? Explain with example.

3. Discuss automatic database diagnostic monitor in detail. What is SQL tuning advisor?

3. Explain database performance tuning. What is tuning methodology? Explain.

4. Differentiate between logical and physical data independence.

4. Explain the database security and auditing.

4. How can you manage the control files? Explain.

4. What do you mean by  SQL and PLUS? Explain.

5. How can you test the backup and recovery plan?

5. Explain the database security and auditing.

5. Explain the advanced stored procedures.

5. What are the authentication method for DBA? Explain.

6. Explain the testing the backup and recovery plan.

6. Explain the testing the backup and recovery plan.

4. Compare SQL* plus with iSQL* plus.

6. How can you manage the automatic storage?

4.What is DML? Explain all the SML command with suitable example.

4. Explain DBA roles and responsibilities.

4. What is DBMS architecture? Explain.

6. What is redo log buffer and how do you monitor a waiting session in the redo log buffer?

4. Define role. How do you query role information?

5. Define index ? Why do we need index in databases?

5. What is a view? Write an importance of view.

7. Differentiate between database administrator and data administrator.

5. How do you manage control files? Explain.

7. What do you mean by backup and recovery strategy?

5. Explain the database security and auditing.

7. Differentiate between hot and cold backup. What is involved with executing a hot backup?

5. Explain the Database security and auditing.

7. What do you mean by database corruption? How can you maintain the database corruption?

8. Describe the SQL Tuning Advisor with example.

6. Manage user in dB.

6. What is backup and recovery plan? How do you test this plan?

6. Explain the role of database administrator?

8. Explain the RMAN with example.

8. Explain the ASM and its capabilities.

6. Explain the process of backup and recovery plan.

8. Consider a situation that an alteration is made to the sp file which results in the instance being unable to start. As DBA how can you fix this problem?

6. What is trigger? Explain with example.

7. Explain parallel instance recovery.

9. What do you mean by virtual private database?

7. Discuss different policy types of virtual private database.

9. What do you mean by tuning methodology?

7. Why do we manage concurrency of transactions? Explain.

9. Define the AWR. What are the components of AWR report?

7. Automatic DBM.

9. What do you mean by a view? Explain its importance.

7. What is ASM? Mention the capabilities of ASM.

8. What is parallel instance recovery? Explain.

10. What do you mean by parallel instance recovery?

10. What do you mean by parallel instance recovery?

8. Explain DBMS architecture. What is data independence?

8. Write the command to add new redo group and drop group in the database.

10. Explain the virtual private database with example.

8. Automatic DB diagnostic monitor.

10. Explain the parallel instance recovery with example.

9. What are different solutions used in database corruption?

9. UPDB with example.

11. What is oracle virtual private database? Explain the benefit associated with it.

9. Write DDL command for following.

a. Change table product to product_org

b. Add new check constraints in the status field of product_org table value of status field should always (00, 01 and 09)

c. Create backup table of sales

d. Disable check constraint in the table.

8. Difference between automatic dBM and ASM.

11. What do you mean by automatic storage management? Explain.

11. What do you mean by database corruption? How can you recover in this case?

9. How do you produce more readable output to the result returned from SQL*Plus?Explain.

11. Explain the parallel instance recovery with practical example.

10. What is AWR report? Write all the component of AWR report.

9. Discuss Automatic DB diagnostic monitor.

10. How does recovery manager manages automatic storage?

10. Explain the process of parallel instance recovery with example.

12. Explain the tuning methodology with example.

12. Explain the SQL tuning advisor.

12. Write the DBA queries for the following actions:

    a. To display the size of your database

    b. Lock or unlock a user

    c. Show all connected users with their status

    d. Show the current SQLs

    e. Show what roles are granted to a user.

10. Define redo log file? Why do we need this file in databases?

12. What are the major difference between automatic database management and automatic storage management?

11. Explain different roles of automatic diagnostic monitor.

11. How do you create different control files? Discuss.

11. Application of automatic storage management.

13. Write short note on:

    a. Using ISQL Plus

    b. RMAN

10. Performance tuning with example.

11. What do you mean by parallel instance recovery?

13. Write short note on:

    a) DBA roles

    b) Column masking

13. Write short note on:

      a. ADDM (Automatic Database Diagnostic Monitor)

      b. RMAN

12. What is SQL tuning advisor? Explain.

12. Write a trigger to create log of every update and delete statement of product table.

12. Explain the tuning methodology with example.

11. Explain UPDB with example.

12. What are different solutions of database corruption?

13. Write short note of followings:

a. Step to create backup device

b. Internet database connector

13. Write short notes on:

a) RMAN

b) Database auditing

13. Write short notes on:

a) stored procedure

b) AWR report

13. Write short notes on:

1. Triggers

2. SQL Tuning advisor

12. Process to maintain the dB corruption.

13. Write short notes on:

a. User privilage

b. SQL tuning advisor