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Introduction to SQL MCQs – Practice Test 53 PDF Download

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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