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Study bachelors and masters degree courses, online computer science degree programs MCQs: in unary relational operations, select operation is partition of relation usually classified as with options horizontal partition, vertical partition, insert partition and delete partition with online questions to ask in an interview for employment assessment of jobs' seekers. Free skills assessment test is for online learn select and project quiz questions with MCQs, exam preparation questions and answers.

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: Boolean expression used in SELECT operation consists of clauses such as

1. attribute name
2. constant value
3. comparison operators
4. all of above

D

MCQ: In unary relational operations, symbols such as equal to, less than and greater than are classified as

1. tuple operators
2. column operators
3. comparison operators
4. row operators

C

MCQ: Operation which is used to select subset of tuples by satisfying selection constraint and selection is made from relation is classified as

1. CHOOSE operation
2. SELECT operation
3. NON-SELECT operation
4. SUBSET operation

B