Computer Science Courses

Chapter 22: Database Systems Exam Tests

Database Systems MCQs - Chapter 22

SQL Interview Questions and Answers Multiple Choice Questions (MCQs) PDF Download - 5

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The MCQ: Relational database products have special 'bulk loader' utilities to insert a; "SQL Interview Questions and Answers" App Download (Free) with answers: large set of tuples into a relation, set of tuples into a relation, small set of tuples into a relation, and set of large tuples into a relation to learn software engineering courses. Solve Data Storage and Querying Quiz Questions, download Google eBook (Free Sample) for software engineering online courses.

SQL Interview Questions and Answers MCQs with Answers PDF Download: MCQ Quiz 5

MCQ: 21

Relational database products have special 'bulk loader' utilities to insert a

  1. Set of tuples into a relation
  2. Large set of tuples into a relation
  3. Small set of tuples into a relation
  4. Set of large tuples into a relation
MCQ: 22

In the select evaluation of insertion, if the relation did not have a primary key constraint, the problem encountered would be of

  1. Consistency
  2. Integration
  3. Syntax
  4. Redundancy
MCQ: 23

Scalar subqueries are useful in SQL update statements, where they can be used in the

  1. Select clause
  2. From clause
  3. Where clause
  4. Set clause
MCQ: 24

The command for increase in annual salary are being made, and salaries of all instructors are to be increased by 5 percent, would be

  1. update instructor
    set salary=salary * 1.05;
  2. update instructor
    set salary=salary * .05;
  3. update into instructor
    set salary=salary * .05;
  4. update to instructor
    set salary=salary * 1.05;
MCQ: 25

The simplest insert statement is a request to insert

  1. One attribute
  2. One tuple
  3. One variable
  4. One instance

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