Database Systems Exam MCQs – Practice Test 4 (Chapter 19)
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Download RDBMS Interview Questions and Answers Study App with MCQ: "Relational algebra operation that removes duplicate tuples from the output, is known as"; with answers: natural join, selection, union operation, and projection. Practice Indexing in DBMS Quiz Questions, download Kobo e-Book (Free Chapter) to strengthen SQL techniques.
MCQ 16: The relational algebra operation that removes duplicate tuples from the output, is known as:
MCQ 17: The operation result that contains all pairs of tuples from the two relations, regardless of whether their attribute values match, is said to be:
MCQ 18: The query language type that uses predicate logic to define the result desired, without any specific procedure, is said to be:
MCQ 19: All procedural relational query languages provide a set of operations that can be applied to:
MCQ 20: The relational operations performed over queries are of types:
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