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What is Database System MCQ App Download | Database Systems MCQ PDF e-Book

Database Systems Practice Test 346

What is Database System MCQs (Multiple Choice Questions) PDF Download | 346

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SAT Test for SAT Prep

What is Database System MCQ with Answers PDF Download: Quiz 346

MCQ: 1726

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

  1. Shared-time access
  2. Current access
  3. Real-time access
  4. Concurrent access
MCQ: 1727

A query expression in the tuple relational calculus is done as

  1. {p| P(t)}
  2. {p| t(p)}
  3. {t| P(t)}
  4. {p| t(t)}
MCQ: 1728

The database system before reading or modifying actual data, consults the

  1. Physical level
  2. Model
  3. Data dictionary
  4. View level
MCQ: 1729

The external language procedures need to deal with null values in

  1. In parameters
  2. Out parameters
  3. Exit parameters
  4. Both A and B
MCQ: 1730

The final result of the delete would depend on the order in which the tuples are

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

Database Systems Exam Prep Tests

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What is Database System Apps (Android & iOS)

What is Database System App

DataBase Management System (MCS) Apps (Android & iOS)

DataBase Management System (MCS) App

Data Structure Apps (Android & iOS)

Data Structure App

Electronic Circuit Design Apps (Android & iOS)

Electronic Circuit Design App