310-811 practice exam
310-811 Exam
Sun Certified MySQL 5.0 Database Administrator Part II
Exam Number/Code : 310-811
Exam Name : Sun Certified MySQL 5.0 Database Administrator Part II
Questions and Answers : 138 Q&As
Update Time: 2010-03-10
Price: $ 126.00
Exam : SUN 310-811
Title : Sun Certified MySQL 5.0 Database Administrator Part II
1. Which of the following best describes why InnoDB tables should always have primary keys and why they should be short?
A. Because InnoDB uses primary keys to locate tables, and shorter keys make quicker lookups.
B. Because InnoDB uses primary keys to locate table rows, and shorter keys make quicker lookups.
C. Because InnoDB stores pointers in a log to all the primary keys and shorter keys make this log smaller.
Answer: B
2. With replication, what on the master is used to send commands to the slave?
A. The relay log.
B. The binary log.
C. The SQL Thread.
Answer: B
3. Which of the following best describes how the relay log works?
A. It records the times when the slave connects to the master.
B. When a slave receives a change from the master, it is recorded in the relay log first and processed later.
C. When a slave receives a change from the master, it is processed first and then recorded in the relay log.
Answer: B
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