Modification of Database MCQs Quiz Online PDF Book Download

Modification of database multiple choice questions (MCQs), modification of database quiz answers to learn database online courses. Sql interview questions and answers MCQs, modification of database quiz questions and answers for online computer programming degree. Learn modification of database test prep for data science certification.

Learn sql interview questions and answers MCQ: sql supports nested subqueries in where, and from clauses of an, with choices outer query, inner query, outer tuple, and inner tuple for online computer programming degree. Practice merit scholarships assessment test, online learning modification of database quiz questions for competitive exams in computer science major .

MCQs on Modification of Database PDF Book 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