Computer Science Online Courses

Chapter 15: Database Systems Exam Tests

Database Systems MCQs - Chapter 15

Introduction to SQL Trivia Questions and Answers PDF - 56

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The Trivia Quiz: Query for finding the Distinct department names of all instructors, would be; "Introduction to SQL" App APK Download (Free) with answers select dept_name distinct from instructor;, select distinct dept_name from instructor;, define dept_name distinct from instructor; and define distinct dept_name from instructor; for online software engineering degrees. Practice basic structure of sql queries quiz questions, download Kindle eBook (Free Sample) for computer science associate degree.

Introduction to SQL Questions & Answers PDF Download: MCQ Quiz 56

MCQ 276: The query for finding the Distinct department names of all instructors, would be

  1. select distinct dept_name from instructor;
  2. select dept_name distinct from instructor;
  3. define dept_name distinct from instructor;
  4. define distinct dept_name from instructor;

MCQ 277: SQL statements can be embedded with in general-purpose programming languages, like

  1. C
  2. C++
  3. JAVA
  4. All of the Above

MCQ 278: SQL allows duplicates in relations as well as in the results of

  1. SQL data
  2. SQL query
  3. SQL flag
  4. SQL expressions

MCQ 279: The set of relations in a database must be specified to the system by means of a

  1. Data Declaration language
  2. Data Definition language
  3. Data processing language
  4. Data manipulation language

MCQ 280: We can test for the existence of duplicate tuples in a subquery by using the

  1. Like
  2. Not Like
  3. Unique
  4. Not Unique

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Computer Networks App (Android & iOS)

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Computer Fundamentals App (iOS & Android)