11. Dirty read, nonrepeatable, and phantom reads are not possible in this instance. A. Read committed B. Read uncommitted C. Repeatable read D. Serializable Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
12. A transaction in which either all of the database actions occur or none of them do is called: A. atomic. B. consistent. C. isolated. D. durable. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
13. A cursor type in which the application can only move forward through the recordset is called: A. forward only. B. static. C. keyset. D. dynamic. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
14. Which of the following occurs when one transaction reads a changed record that has not been committed to the database? A. Nonrepeatable read B. Phantom read C. Dirty read D. Consistent read Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
15. Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur? A. Read committed B. Read uncommitted C. Repeatable read D. Serializable Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
16. Which of the following locks the item from access of any type? A. Implicit lock B. Explicit lock C. Exclusive lock D. Shared lock Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
17. The size of a lock is called: A. implicit lock B. lock granularity C. exclusive lock D. shared lock Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
18. A cursor type in which the application sees the data as they were at the time the cursor was opened is called: A. forward only B. static C. keyset D. dynamic Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
19. What is the overall responsibility of the DBA? A. Facilitate the development and use of the database B. Create and populate tables C. Development, operation, and maintenance of the database and its applications D. Both the first and third answers above are correct. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
20. Locks placed by the DBMS are called ________ . A. implicit locks B. explicit locks C. exclusive locks D. shared locks Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board