Which of the following best explains why information needs to be archive? a. Information needs to be archive incase that it has large file size b. Information need to be archive because the format of information is invalid c. Information needs to be archive incase that it is no longer relevant to current transaction but maybe relevant to future transaction d. Information needs to be archived to protect data privacy and sensitive information that might be harmful to the organization   2) Which of the following is a common problem with regards with software licensing?   a. Often people will choose unlicensed software because it is easy to download specially if it a freeware b. Often people will choose unlicensed software because they want to protect their information from phishing attachs c. Often people will choose unlicensed software because of t

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Concurrency Control

The simultaneous occurrence of two or more operations is called concurrence and the situation is called concurrency. In concurrency, the function of one operation can affect the function of the other and put data integrity at risk. Hence, management for the control of concurrency is required. The management or controlling system in the Database Management System (DBMS) that coordinates concurrent access is called the concurrency control system.