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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 8 (Chapter 7)

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Database System Architectures MCQs – Practice Test 8 PDF Download

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

  1. Encapsulation
  2. Encryption
  3. Locking
  4. Views log

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

  1. Data concurrency control
  2. Data access control
  3. Data atomicity control
  4. Data integrity control

MCQ 38: Transaction-server systems provides an:

  1. Interface
  2. Lock manager
  3. Lock processes
  4. Log

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

  1. Explicit action
  2. Transaction
  3. Query
  4. Retrieval

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

  1. Trace log
  2. Diagnosis log
  3. Trace file
  4. Diagnosis file

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