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Database Systems Prep Tests

Database Systems Tests

Set Operations MCQ with Answers PDF Download

The Book Set Operations Multiple Choice Questions (MCQ Quiz), Set Operations quiz answers PDF to learn online courses, database systems tests. Study Introduction to SQL Multiple Choice Questions and Answers (MCQs), Set Operations quiz questions for computer information science. The eBook Set Operations MCQ App Download: additional basic operations, aggregate functions, nested subqueries test prep to learn online certificate courses.

The MCQ: If any of the input values is null, the result of an arithmetic expression, would be PDF, "Set Operations" App Download (Free) with 0, null, 1, and undefined choices for computer information science. Practice set operations quiz questions, download Google eBook (Free Sample) for computer software engineer online degree.

Database Systems: Set Operations MCQs PDF Download

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

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

MCQ: SQL uses the special keyword in a predicate to test for a null value

A) Escape
B) Unknown
C) Known
D) Null

MCQ: The union operation automatically eliminates duplicates, unlike the

A) Select clause
B) From clause
C) Define clause
D) Where clause

MCQ: Duplicate tuples must be eliminated, when the query uses the clause

A) Select Clause
B) Where Distinct Clause
C) Select distinct Clause
D) From Distinct Clause

MCQ: The SQL set operations include

A) Union
B) Intersect
C) Except
D) All of the Above

Practice Tests: Database Systems Exam Prep

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