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Chapter 15: Database Systems Exam Tests

Database Systems MCQs - Chapter 15

Introduction to SQL Multiple Choice Questions (MCQ) PDF - 1

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Introduction to SQL MCQ Quiz PDF Download: Test 1

MCQ 1: The with clause, was introduced in

A) SQL:1998
B) SQL:1999
C) SQL:2000
D) SQL:2001

MCQ 2: To specify duplicate retention, we can use the keyword in place of distinct, which is

A) Select distinct
B) Duplicate
C) Whole
D) All

MCQ 3: An identifier, that is used to rename a relation is referred to as a

A) Input variable
B) Clone name
C) Correlation name
D) Table alias

MCQ 4: The exist construct returns true as a value, if the argument subquery is

A) Empty
B) Not empty
C) Exist
D) Not exist

MCQ 5: If any of the input values is null, the result of an arithmetic expression, would be

A) 0
B) Null
C) 1
D) Undefined

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Database Management System App (Android & iOS)

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Digital Image Processing App (Android & iOS)

Digital Image Processing App (Android & iOS)

Computer Networks App (Android & iOS)

Computer Networks App (Android & iOS)