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What is Database System Quiz Questions and Answers 346 PDF Book Download

What is database system quiz questions, what is database system MCQs answers, database management quiz 346 to learn data analytics online courses. Overview of database management quiz questions, what is database system multiple choice questions (MCQs) to practice dbms test with answers for online colleges and universities courses. Learn what is database system MCQs, functions and procedures, database languages, tuple relational calculus, what is database system test prep for data science certification.

Learn what is database system test with multiple choice question (MCQs): different users can have access to same data, possibly even at same time, is known as, with choices shared-time access, current access, real-time access, and concurrent access for online computer science bachelors degree. Learn overview of database management questions and answers for problem-solving, merit scholarships assessment test for data science certification.

Quiz on What is Database System Worksheet 346Quiz Book 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

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