Database Systems MCQs – Practice Test for Exam Prep
Learn Set Operations Multiple Choice Questions (MCQ Quiz) with Answers PDF to master information systems. Download the Set Operations MCQ PDF e-Book to study Database Systems Tests. Study Introduction to SQL Multiple Choice Questions and Answers (MCQs), Set Operations quiz answers PDF for database electronic learning. Download the Set Operations Study App: Free Database Systems MCQ App to study additional basic operations, aggregate functions, nested subqueries test prep for DBMS blended learning.
Free Set Operations Study App Download with MCQ: "If any of the input values is null, the result of an arithmetic expression, would be"; with answers: 0, null, 1, and undefined. Practice Set Operations Quiz Questions, download Google e-Book (Free Chapter) to master information systems.
MCQ 1: If any of the input values is null, the result of an arithmetic expression, would be:
MCQ 2: SQL uses the special keyword in a predicate to test for a null value:
MCQ 3: The union operation automatically eliminates duplicates, unlike the:
MCQ 4: Duplicate tuples must be eliminated, when the query uses the clause:
MCQ 5: The SQL set operations include:
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