Explanation:The globalLock data structure contains information regarding the database’s current lock state, historical lock status, current operation queue, and the number of active clients. 4. If __________ is high relative to uptime, the database has existed in a lock state for a significant amount of time.
A. globalLock.halfTime
B. globalLock.totalTime
C. globalLock.downTime
D. All of the mentioned
Answer:A
Explanation:The globalLock data structure contains information regarding the database’s current lock state, historical lock status, current operation queue, and the number of active clients. 4. If __________ is high relative to uptime, the database has existed in a lock state for a significant amount of time.
A. globalLock.halfTime B. globalLock.totalTime C. globalLock.downTime D. All of the mentioned
Explanation:The value of totalTime represents the time, in microseconds, since the database last started and creation of the globalLock. 5. Point out the wrong statement :