i need the answer quickly Question 4:4.1You are required to draw a sequence diagram for the below given scenario.Construct a sequence diagram for the following scenario based on the student counselling processdemonstrated in Question-1:Completing the counselling process of a student in which the initial message from the system's user interfaceis sent to the Counselling object to verify the student. Then the second message to the counsellor object toprepare schedule. The counsellor checks for a free slot for counselling and once it is available it will be addedto the schedule. Once the schedule is updated a message will be sent to the student object and anothermessage to the user interface to confirm the student schedule.You are required to identify the classes and corresponding operations. You do not need to consider thealternative scenario to answer this question.4.2Differentiate between Fork and Cascade design patterns with appropriate examples andillustration4.2You are required to draw a state chart diagram for the below given scenario based onQuestion-1.Assume a scenario of counselling schedule's various states according to the below given description.The counsellor's weekly schedules are empty at the beginning. The process starts with an instruction sent bythe Administrator. Then the status will become checking for the date and time. Then the schedule will becreating based on the date and time. Then the student's details will be requested and wait until it is receivedand checking the details while waiting. Once the details are received the scheduling will be done and theprocess will be completed. If the required details are not available the process will be completed. Process willbe end after completing the scheduling.

Difference between fork and cascade design FORK : Fork notation is used in UML diagram for…

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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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