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Database online test, online practice test, exam, quiz
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Database
Database Online Test
The purpose of this online test is to help you evaluate your Database knowledge yourself. These Multiple Choice Questions (MCQs) on Database will prepare you for technical round of job interview, written test and many certification exams.
The test contains 30 questions and there is no time limit. You will get 1 point for each correct answer. You will get your online test score after finishing the complete test.
(Total
30
questions)
(Time spent
0:0
)
1. What is the main difference between latch and lock?
Lock is used to protect data while latch is not
Locks are more restrictive than Latches in that they are always exclusive
Latches are more restrictive than locks in that they are always exclusive
Latch is used to protect data while lock is not
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