Database Systems Certification MCQs – Practice Test 3 (Chapter 15)
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Study Introduction to SQL Quiz Questions and Answers PDF for relational database systems. Download the Introduction to SQL Quiz PDF e-Book, Ch. 15-3 to study Database Systems Course. Practice Set Operations MCQs, Introduction to SQL MCQ questions and answers PDF for relational database systems. Free Introduction to SQL Quiz App: Database Systems Quiz App Download to study sql data definition career test to strengthen knowledge base.
The "Introduction to SQL Quiz" App Download (Android & iOS): Duplicate tuples must be eliminated, when the query uses the clause; MCQ with answers: where distinct clause, select clause, select distinct clause, and from distinct clause. Learn DBMS for Competitive Exams Quiz Questions, download Google Book (Free Chapter) for relational database systems.
MCQ 11: The union operation automatically eliminates duplicates, unlike the:
MCQ 12: Duplicate tuples must be eliminated, when the query uses the clause:
MCQ 13: Any tuple in the relation must correspond to values of the primary key attributes of some tuple in relation s, is said to be:
MCQ 14: The SQL set operations include:
MCQ 15: The predicated that succeeds if the value on which it is applied is not null, is known to be:
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