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Database Systems MCQs: Chapter 15

Introduction to SQL Trivia Questions & Answers PDF Download | 40

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The Quiz: The Output of '%Comp%' matching the string containing "Introduction to SQL" App APK Download with answers: computational biology, computer science, and computing logic to study database certification courses. Practice ER Diagrams Symbols Quiz Questions, download Kindle e-Book (Free Sample) to study database certification courses.

Introduction to SQL Test Questions and Answers PDF Download: MCQ 40

MCQ: 196

The Output of '%Comp%' matching the string containing

  1. Computer Science
  2. Computational Biology
  3. Computing logic
  4. All of the Above
MCQ: 197

A query for finding the names of all instructors, is

  1. Define name from instructor;
  2. Define name about instructor;
  3. Select name about instructor;
  4. select name from instructor;
MCQ: 198

SQL does not allow the use of distinct with

  1. Avg(*)
  2. Min(*)
  3. Sum(*)
  4. Count(*)
MCQ: 199

The clause that allows us to select only those rows in the result relation, is

  1. Select clause
  2. Define clause
  3. From clause
  4. Where clause
MCQ: 200

Scalar subqueries may also be defined without

  1. Variables
  2. Instances
  3. Aggregates
  4. Where clause

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