What is Database System Quiz Questions and Answers 346 PDF Download

Learn what is database system quiz, online db test 346 for online courses, distance learning. Free db MCQs questions and answers to learn what is database system MCQs with answers. Practice MCQs to test knowledge on what is database system, tuple relational calculus, database languages, functions and procedures, modification of database for computer technology solutions to test.

Free what is database system course worksheet has multiple choice quiz question as Different users can have access to same data, possibly even at same time, is known as with options Shared-time access, Current access, Real-time access and concurrent access with problems solving answer key to test study skills for online e-learning, viva help and jobs' interview preparation tips, study overview of database management multiple choice questions based quiz question and answers.

Quiz on What is Database System Quiz PDF Download Worksheet 346

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

D

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)}

C

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

C

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

D

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

C