Database Systems MCQs - Chapter 15

Introduction to SQL Multiple Choice Questions (MCQ) PDF - 6

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The MCQ: Asterisk symbol '*' is used to denote all the attributes in a relation, and is used in; "Introduction to SQL" App Download Android & iOS (Free) with answers define clause, select clause, from clause and where clause to learn e-learning courses. Practice additional basic operations quiz questions, download Apple Book (Free Sample) for information and communication technology.

Introduction to SQL Questions & Answers PDF Download: MCQ Quiz 6

MCQ 26: The Asterisk symbol '*' is used to denote all the attributes in a relation, and is used in

Select clause
Define clause
From clause
Where clause

MCQ 27: Performing all the tests before performing any deletion is

Important
Optional
Complex
Irrational

MCQ 28: SQL standard says that the sum operator should ignore an input of

0s
1s
Null value
strings

MCQ 29: The groups that do not satisfy the having clause predicate are

Applied
Removed
Retrieved accordingly
Not retrieved

MCQ 30: Scalar subqueries can occur in

Select clause
From clause
Where clause
All of the Above

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