Modification of Database MCQs Quiz Online PDF Download

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Database management system practice test MCQ: sql supports nested subqueries in where, and from clauses of an with choices outer query , inner query , outer tuple and inner tuple problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning modification of database quiz with MCQs to practice test questions with answers.

MCQs on Modification of Database Quiz PDF Download

MCQ. SQL supports nested subqueries in where, and from clauses of an

  1. Outer query
  2. Inner query
  3. Outer tuple
  4. Inner tuple

A

MCQ. Performing all tests before performing any deletion is

  1. Important
  2. Optional
  3. Complex
  4. Irrational

A

MCQ. SQL supports basic set operations on relations that includes

  1. Union
  2. Intersect
  3. Except
  4. All of the above

D

MCQ. Scalar subqueries are also useful in SQL

  1. Insertion statements
  2. Deletion statement
  3. Update statements
  4. Retrieval statement

C

MCQ. SQL data-definition language is used to create relations with specified

  1. Schema
  2. Structure
  3. Domain
  4. Attributes

A