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Database Systems Competitive Exam: Practice Test 53 (Chapter 15)

Introduction to SQL Multiple Choice Questions (MCQs) PDF Download - 53

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The Introduction to SQL Multiple Choice Questions (MCQs) with Answers PDF (Introduction to SQL MCQs PDF e-Book) download Ch. 15-53 to study Database Systems Course. Practice Set Operations MCQs, Introduction to SQL Notes questions and answers PDF for online degrees. The Database Systems MCQs App Download: Free Introduction to SQL App to study sql data definition, basic structure of sql queries career test for online computer classes.

The MCQ: The SQL operations union, intersect, and except operate on; "Introduction to SQL" App Download [Free] with answers: tuples only, attributes only, relations, and specific data set for online computer classes. Solve Aggregate Functions Quiz Questions, download Google eBook (Free Sample) for online computer engineering programs.

Introduction to SQL MCQs with Answers PDF Download: MCQ Quiz 53

MCQ: 261

The SQL operations union, intersect, and except operate on

  1. Attributes only
  2. Tuples only
  3. Relations
  4. Specific data set
MCQ: 262

The NOT NULL constraint excludes the null value from the

  1. Domain
  2. Attribute
  3. Definition
  4. Declaration
MCQ: 263

The basic structure of an SQL query consists of

  1. Clauses
  2. Commands
  3. Tuples
  4. Attributes
MCQ: 264

To remove a relation from an SQL database, we use the

  1. Delete command
  2. Eliminate
  3. Abort
  4. Drop
MCQ: 265

The clause that satisfy a specified predicate, is said to be

  1. From clause
  2. Where clause
  3. Select clause
  4. Define clause

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