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Database Systems Exam Prep

Database Systems Practice Test 117

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Database Systems: View of Data MCQs Quiz PDF Download

MCQ: At the physical level a record can be described as a block of

A) Consecutive storage location
B) Random storage location
C) Standardized storage location
D) Undefined storage location

MCQ: The concurrency control in which all data on a page or multiple pages will be locked simultaneously, is known to be

A) Page locking
B) Class locking
C) Object locking
D) Cluster level locking

MCQ: It is possible to store time-zone information along with the time by specifying

A) time without timezone
B) date with timezone
C) time with timezone
D) date without timezone

MCQ: The unique identifier field in the update log record in which the data item is written is called

A) Transaction identifier
B) New value identifier
C) Data-item identifier
D) Data-value identifier

MCQ: Contemporary database systems for naming relations provide a

A) No hierarchy
B) 2 level hierarchy
C) 3 level hierarchy
D) 4 level hierarchy

Mock Tests: Database Systems Course Prep

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