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Learn relational algebra and calculus test MCQs: degree of project operation is equal to, with choices number of entities, number of attributes, number of columns, and number of rows for online undergraduate computer science degree. Practice merit scholarships assessment test, online learning project operation quiz questions for competitive assessment in computer science major .

MCQ: Degree of PROJECT operation is equal to

1. number of entities
2. number of attributes
3. number of columns
4. number of rows

B

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

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

B

MCQ: Operation which only selects some of columns from table and neglect remaining columns is classified as

1. OR operation
2. AND operation
3. TABLE operation
4. PROJECT operation

D

MCQ: If duplicate relations will not be eliminated, resultant tuples will be multiset of tuples rather than

1. set of tuples
2. set of entities
3. set of attributes
4. set of string characters

A

MCQ: In unary relational operations, symbol π is used to represent operation called

1. OR operation
2. AND operation
3. TABLE operation
4. PROJECT operation

D