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Database Management System Practice Tests

Database Management System Online Tests

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The MCQ: *Consider two tuples X and Y, operation whose result includes tuples that are only in X but not in Y is classified as;* "Relational Algebra Operations and Set Theory" App Download (Free) with answers: Square of relation X and Y; Union of relation X and Y; Intersection of relation X and Y; Difference of relation X and Y; for online computer science programs. Practice Relational Algebra Operations and Set Theory Quiz Questions, download Google eBook (Free Sample) for best online schools for computer science.

MCQ 1:

**The types of binary operations includes**

- union
- intersection
- set difference
- all of above

d

MCQ 2:

**Consider two tuples X and Y, the operation whose result includes tuples that are only in X but not in Y is classified as**

- square of relation X and Y
- union of relation X and Y
- intersection of relation X and Y
- difference of relation X and Y

d

MCQ 3:

**The compatibility condition which states that the relations for union and intersection operations must consist of same type of tuples is classified as**

- union compatibility
- intersect compatibility
- row compatibility
- column compatibility

a

MCQ 4:

**Consider two tuples A and B, the operation whose result includes tuples that are included in both relations is classified as**

- intersection of relation A and B
- difference of relation A and B
- square of relation A and B
- union of relation A and B

a

MCQ 5:

**The process in which tuple is created by having combined attributes from two relations is classified as**

- Cartesian compatibility
- Cartesian multiples
- Cartesian product
- Cartesian ordinate

c

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