Which of the following is NOT true about operation contract? Select one: a. It describes an operation in terms of preconditions and postconditions. b. Instance creation is a common state change. c.It should be used only when the semantics of a system operation is unclear. d.It specifies a contract between an actor and the system. e.It clarifies the state change of the system in response to a system operation.
Which of the following is NOT true about operation contract? Select one: a. It describes an operation in terms of preconditions and postconditions. b. Instance creation is a common state change. c.It should be used only when the semantics of a system operation is unclear. d.It specifies a contract between an actor and the system. e.It clarifies the state change of the system in response to a system operation.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Which of the following is NOT true about operation contract?
Select one:
a. It describes an operation in terms of preconditions and postconditions.
b. Instance creation is a common state change.
c.It should be used only when the semantics of a system operation is unclear.
d.It specifies a contract between an actor and the system.
e.It clarifies the state change of the system in response to a system operation.
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