Data and Database Administration Questions and Answers
Data and Database Administration involves managing, maintaining, and securing databases to ensure smooth operation. It’s a frequent topic in aptitude questions and answers with explanations and DBMS interviews. Administrators handle tasks like backup, recovery, access control, and performance monitoring. Understanding these responsibilities is critical for placement exams at Infosys, TCS, and Accenture, where database management is a key skill area. Practicing database aptitude questions with solutions PDF helps candidates strengthen their understanding of database roles and gain confidence for both theory and practical rounds in technical interviews.
Questions on database management and administration. Also study database design and SQL fundamentals
Data and Database Administration
11. Which of the following is the preferred way to recover a database after a transaction in progress terminates abnormally?
- Rollback
- Rollforward
- Switch to duplicate database
- Reprocess transactions
12. Which of the following is true concerning open-source DBMS?
- Is free or nearly free database software whose source code is publicly available
- Is free or nearly free database software whose source code is not publicly available
- Is not competitive against PC-oriented packages and is fully SQL compliant
- Is competitive against PC-oriented packages and is not fully SQL compliant
13. Concurrency control is important for which of the following reasons?
- To ensure data integrity when updates occur to the database in a multiuser environment
- To ensure data integrity when updates occur to the database in a single-user environment
- To ensure data integrity while reading data occurs to the database in a multiuser environment
- To ensure data integrity while reading data occurs to the database in a single-user environment
14. Which of the following is the preferred way to recover a database after a system failure?
- Rollback
- Rollforward
- Switch to duplicate database
- Reprocess transactions
15. A data warehouse administrator is concerned with which of the following?
- The time to make a decision but not the typical roles of a database administrator
- The time to make a decision and the typical roles of a database administrator
- The typical roles of a data administrator and redesigning existing applications
- The typical roles of a database administrator and redesigning existing applications