Mechanical Engg Learning Notes & Technology Articles

What is Database System Quiz Questions and Answers 346 PDF Download

Learn what is database system quiz questions, database management system online test 346 for distance learning degrees, free online sql courses. Colleges and universities courses' MCQs on overview of database management quiz, what is database system multiple choice questions and answers to learn database management system quiz with answers. Practice what is database system MCQs, ETS GRE test assessment on modification of database, functions and procedures, database languages, tuple relational calculus, what is database system practice test for online SQL update courses distance learning.

Study what is database system online courses with multiple choice question (MCQs): different users can have access to same data, possibly even at same time, is known as, for bachelor degree and masters in data science degree questions with choices Shared-time access, Current access, real-time access, concurrent access with online distance education tests for computer engineering jobs, software engineering jobs and information systems jobs. Learn overview of database management quizzes with problem-solving skills assessment test.

Quiz on What is Database System Worksheet 346Quiz PDF Download

What is Database System Quiz

MCQ: Different users can have access to same data, possibly even at same time, is known as

  1. Shared-time access
  2. Current access
  3. Real-time access
  4. Concurrent access


Tuple Relational Calculus Quiz

MCQ: A query expression in tuple relational calculus is done as

  1. {p| P(t)}
  2. {p| t(p)}
  3. {t| P(t)}
  4. {p| t(t)}


Database Languages Quiz

MCQ: Database system before reading or modifying actual data, consults the

  1. Physical level
  2. Model
  3. Data dictionary
  4. View level


Functions and Procedures Quiz

MCQ: External language procedures need to deal with null values in

  1. In parameters
  2. Out parameters
  3. Exit parameters
  4. Both A and B


Modification of Database Quiz

MCQ: Final result of delete would depend on order in which tuples are

  1. Stored
  2. Retrieved
  3. Processed
  4. Tested