PROJECT Operation Multiple Choice Questions with Answers – PDF Download

MCQ 1: The degree of the PROJECT operation is equal to:

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

MCQ 2: In unary relational operations, the PROJECT operation is partition of relation usually classified as:

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

MCQ 3: The operation which only selects some of the columns from table and neglect the remaining columns is classified as:

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

MCQ 4: If the duplicate relations will not be eliminated, the 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

MCQ 5: In unary relational operations, the symbol π is used to represent the operation called:

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