Database Systems Certification MCQs – Practice Test 11 (Chapter 10)

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Free "Formal Relational Query Languages Quiz" App Download (Android & iOS) with MCQ: Relational algebraic operations that can be expressed in terms of the basic operations, are known as; with answers: additional operations, basic operations, extended operations, and embedded operations. Learn Database Languages Quiz Questions, download Google Book (Free Chapter) to support flexible learning.

Formal Relational Query Languages Quiz – Practice Test 11 PDF Download

MCQ 51: The relational algebraic operations that can be expressed in terms of the basic operations, are known as:

Basic operations
Additional operations
Extended operations
Embedded operations

MCQ 52: The relational-algebra operations can be grouped together into a:

relational-algebra query
relational-algebra operation
relational-algebra expression
relational-algebra function

MCQ 53: In the relational algebra, the union, set difference, and Cartesian product operations are known to be:

Unary operations
Binary operations
Dimensional operations
Multidimensional operations

MCQ 54: If we have relations of type r1(R1) and r2(R2), then r1 . r2 is a relation whose schema is the:

Union of R1 and R2
Projection of R1 and R2
Concatenation of R1 and R2
Selection of R1 and R2

MCQ 55: The join operation that takes all tuples in left relation that is not matching with any tuple in the right relation, is called:

Right outer join
Full outer join
Left outer join
Natural outer join

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