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DBMS for Competitive Exams MCQ Questions with Answers PDF Download eBook

Practice DBMS for Competitive Exams Multiple Choice Questions (MCQ), dbms for competitive exams quiz answers PDF, data science worksheets to practice mock test. Solve database system architectures Multiple Choice Questions and Answers (MCQs), "DBMS for Competitive Exams Quiz" questions and answers for applied computer science. Learn locking techniques for concurrency control, database system basics for exams, concurrency control in dbms, dbms worksheet test prep for online degrees.

"While an DDL operation acts on or refers to the object, it is protected by" Multiple Choice Questions (MCQ) on dbms for competitive exams with choices encapsulation, encryption, locking, and views log for applied computer science. Solve dbms for competitive exams quiz questions for merit scholarship test and certificate programs for online computer engineering programs.

MCQs on DBMS for Competitive Exams PDF Download eBook

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

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


MCQ: The definition of a schema object is protected through

  1. Data dictionary lock
  2. Data declaration lock
  3. Data definition lock
  4. Data administrator lock


MCQ: The data dictionary cache holds data in the form of

  1. Blocks
  2. Buffers
  3. Rows
  4. Columns