Database Systems MCQs – Practice Test 8 (Chapter 7)

Database System Architectures Notes Questions and Answers PDF – Test 8

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Database System Architectures Notes Q&A PDF Download – Practice Test 8

MCQ 36: While an DDL operation acts on or refers to the object, it is protected by:

Encapsulation
Encryption
Locking
Views log

MCQ 37: Restricting data access and database activities is the responsibility of:

Data concurrency control
Data access control
Data atomicity control
Data integrity control

MCQ 38: Transaction-server systems provides an:

Interface
Lock manager
Lock processes
Log

MCQ 39: Oracle Database acquires a DDL lock on behalf of?

Explicit action
Transaction
Query
Retrieval

MCQ 40: A file containing diagnostic data used to investigate problems at administrative side is called:

Trace log
Diagnosis log
Trace file
Diagnosis file

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