Database Administration - Unit Wise Questions
1. What do you mean by Database and database management system? Explain the SQL Plus overview.
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1. Explain the database management system and also describe the database management system architecture.
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1. Explain any detail about the DBMS architecture.
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1. Explain the database management system architecture and also explain the DBA roles and responsibilities.
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2. What do you mean by Redo log files? Explain the maintaining and monitoring redo log files.
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2. Explain the managing, maintaining and monitoring redo log files with appropriate example.
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1. What is profile? How is it different from user? How do you create, assign, alter, and drop profile? Explain with suitable examples.
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1.Explain the database management system architecture and also explain the DBA roles and responsibilities.
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1. How do you manage user privileges and roles ? Explain using suitable examples.
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2. What do you mean by database performance Tuning? Explain the role of ADDM and SQL Access Advisors in performance testing of oracle database.
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1. Explain the DBMS architecture and its applications.
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2. How can you design the plan of backup, recovery and security of an organization? Explain.
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3. Explain the control and Redo log files with applications.
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3. What is tuning methodology? Explain the Automatic database diagnostic monitor with its applications.
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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.
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2. Why do we need recovery in databases? How do you define backup and recovery procedure?
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2. Why do we need recovery? Discuss undo and redo log files used in recovery?
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2. What do you mean by Redo log files? Explain the maintaining and monitoring redo log files.
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2. Explain the process to design the backup, recovery and security plan for the government organization.
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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.
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3. Explain the backup and recovery plan and strategy with practical example.
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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.
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3. Explain database performance tuning. What is tuning methodology? Explain.
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3. Discuss automatic database diagnostic monitor in detail. What is SQL tuning advisor?
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3. How can you manage, maintain and monitoring the redo log files? Explain with example.
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3. Explain Backup and recovery plan. How do you test the backup and recovery plan?
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4. Explain the database security and auditing.
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4. How can you manage the control files? Explain.
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4. What do you mean by SQL and PLUS? Explain.
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4. Differentiate between logical and physical data independence.
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5. Explain the database security and auditing.
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5. How can you test the backup and recovery plan?
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5. Explain the advanced stored procedures.
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5. What are the authentication method for DBA? Explain.
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4.What is DML? Explain all the SML command with suitable example.
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4. Define role. How do you query role information?
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6. What is redo log buffer and how do you monitor a waiting session in the redo log buffer?
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6. Explain the testing the backup and recovery plan.
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6. How can you manage the automatic storage?
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4. Compare SQL* plus with iSQL* plus.
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6. Explain the testing the backup and recovery plan.
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4. Explain DBA roles and responsibilities.
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4. What is DBMS architecture? Explain.
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7. What do you mean by backup and recovery strategy?
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5. What is a view? Write an importance of view.
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7. Differentiate between database administrator and data administrator.
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5. Define index ? Why do we need index in databases?
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5. How do you manage control files? Explain.
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5. Explain the database security and auditing.
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7. Differentiate between hot and cold backup. What is involved with executing a hot backup?
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5. Explain the Database security and auditing.
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7. What do you mean by database corruption? How can you maintain the database corruption?
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8. Explain the ASM and its capabilities.
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8. Explain the RMAN with example.
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8. Describe the SQL Tuning Advisor with example.
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6. Manage user in dB.
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6. What is trigger? Explain with example.
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6. Explain the role of database administrator?
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6. Explain the process of backup and recovery plan.
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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?
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6. What is backup and recovery plan? How do you test this plan?
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9. Define the AWR. What are the components of AWR report?
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9. What do you mean by tuning methodology?
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7. Discuss different policy types of virtual private database.
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7. What is ASM? Mention the capabilities of ASM.
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7. Automatic DBM.
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9. What do you mean by a view? Explain its importance.
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9. What do you mean by virtual private database?
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7. Explain parallel instance recovery.
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7. Why do we manage concurrency of transactions? Explain.
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10. What do you mean by parallel instance recovery?
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8. Write the command to add new redo group and drop group in the database.
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8. What is parallel instance recovery? Explain.
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8. Explain DBMS architecture. What is data independence?
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10. Explain the virtual private database with example.
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8. Automatic DB diagnostic monitor.
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10. What do you mean by parallel instance recovery?
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10. Explain the parallel instance recovery with example.
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9. What are different solutions used in database corruption?
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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.
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11. Explain the parallel instance recovery with practical example.
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9. UPDB with example.
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11. What do you mean by database corruption? How can you recover in this case?
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11. What do you mean by automatic storage management? Explain.
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8. Difference between automatic dBM and ASM.
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9. How do you produce more readable output to the result returned from SQL*Plus?Explain.
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11. What is oracle virtual private database? Explain the benefit associated with it.
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12. Explain the tuning methodology with example.
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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.
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12. What are the major difference between automatic database management and automatic storage management?
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10. Explain the process of parallel instance recovery with example.
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10. What is AWR report? Write all the component of AWR report.
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12. Explain the SQL tuning advisor.
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10. How does recovery manager manages automatic storage?
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10. Define redo log file? Why do we need this file in databases?
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9. Discuss Automatic DB diagnostic monitor.
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13. Write short note on:
a. Using ISQL Plus
b. RMAN
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11. Application of automatic storage management.
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10. Performance tuning with example.
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13. Write short note on:
a. ADDM (Automatic Database Diagnostic Monitor)
b. RMAN
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13. Write short note on:
a) DBA roles
b) Column masking
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11. What do you mean by parallel instance recovery?
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11. How do you create different control files? Discuss.
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11. Explain different roles of automatic diagnostic monitor.
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12. What is SQL tuning advisor? Explain.
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12. Explain the tuning methodology with example.
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12. What are different solutions of database corruption?
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12. Write a trigger to create log of every update and delete statement of product table.
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11. Explain UPDB with example.
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12. Process to maintain the dB corruption.
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13. Write short notes on:
a. User privilage
b. SQL tuning advisor
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13. Write short notes on:
1. Triggers
2. SQL Tuning advisor
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13. Write short note of followings:
a. Step to create backup device
b. Internet database connector
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13. Write short notes on:
a) stored procedure
b) AWR report
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13. Write short notes on:
a) RMAN
b) Database auditing
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