Consider the E-R diagram for a university database as shown in Figure 1. What is NOT true about instructor and student? (a) An instructor can advise more than one students. (b) A student can be advised by more than one instructors. (c) A student may not have an instructor as advisor. (d) none of the above.

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Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.