Which of the following is an unary operation?

Related MCQs

• Which of the following is not Unary operation?
• Which of the following is not Unary operation?
• Which of the following is an unary operation?
• Which of the following is not unary operation?
• Which is a unary operation:
• State true or false. i) Select operator is not a unary operator. ii) Project operator chooses subset of attributes or columns of a relation.
• Once the lower-level lock is released, the operation cannot be undone by using the old values of updated data items, and must instead be undone by executing a compensating operation; such an operation is called
• The operation which is not considered a basic operation of relational algebra is
• Whenever an update operation occurs on a page, the operation stores the LSN of its log record in the                field of the page.
• Which of the following is not binary operation?