Relational algebra and calculus MCQs, relational algebra and calculus quiz answers, DBMS test 1 to learn data analytics courses online. Select and project multiple choice questions (MCQs), relational algebra and calculus quiz questions and answers for admission and merit scholarships test. Practice select and project, binary relational operation: join and division, tuple relational calculus, division operation career test for big data certification.

Learn relational algebra and calculus test with multiple choice question: in unary relational operations, select operation is partition of relation usually classified as, with choices vertical partition, horizontal partition, insert partition, and delete partition for online computer security degree. Practice jobs' assessment test for online learning select and project quiz questions for computer science major, competitive assessment tests for data analytics certification.

MCQ: In unary relational operations, SELECT operation is partition of relation usually classified as

1. horizontal partition
2. vertical partition
3. insert partition
4. delete partition

A

MCQ: Operators in SELECT operation statement such as 'and' , 'or' and 'not' are classified as

1. Boolean operators
2. tuple operators
3. string operators
4. insertion operators

A

MCQ: If in JOIN operation, conditions of JOIN operation are not satisfied then results of operation are

1. zero tuples and empty relation
2. one tuple from one relation
3. zero tuples from two relation
4. two tuples from empty relations

A

MCQ: Because of calculus expression, relational calculus is considered as

1. procedural language
2. nonprocedural language
3. structural language
4. functional language

B

MCQ: DIVISION operation can be applied to two relations A and B such as R(A) ÷ R(B) where as

1. A does not belong to B
2. A must be added to B
3. A belongs or equal to B
4. A must be subtracted from B

C