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based on these solve 4 and 5:

3) Task 3: As a database administrator for a multinational company, you are required to make a robust security policy for ensuring the database security. Discuss the factors in detail that this policy will be focusing on. Your discussion might include the concepts of Privileges, Roles and Profiles in ensuring the security of the database. Minimum five factors are expected to be discussed in the security policy. Support your answer with relevant literature and in-text citations. For your assistance you can also refer to the following research paper. Simanta Shekhar Sarmah, Database Security - Threats & Prevention, 2019, International Journal of Computer Trends and Technology (UCTT), Volume 67 issue 5- May 2019 (25 marks) 4) Task 4: Discuss concisely, the sequence of transaction occurring during an online movie ticket booking system in a distributed database environment. The discussion should include details on the various processes at the end user level, at the database level and the application server level. Support your answer with relevant literature and in-text citations. (25 Marks) 5) Task 5: Explain how the ACID properties will be implemented for any online money transaction with an example. Support your answer with relevant literature and in-text (15 marks) citations. 3) Task 3: As a database administrator for a multinational company, you are required to make a robust security policy for ensuring the database security. Discuss the factors in detail that this policy will be focusing on. Your discussion might include the concepts of Privileges, Roles and Profiles in ensuring the security of the database. Minimum five factors are expected to be discussed in the security policy. Support your answer with relevant literature and in-text citations. For your assistance you can also refer to the following research paper. Simanta Shekhar Sarmah, Database Security - Threats & Prevention, 2019, International Journal of Computer Trends and Technology (UCTT), Volume 67 issue 5- May 2019 (25 marks) 4) Task 4: Discuss concisely, the sequence of transaction occurring during an online movie ticket booking system in a distributed database environment. The discussion should include details on the various processes at the end user level, at the database level and the application server level. Support your answer with relevant literature and in-text citations. (25 Marks) 5) Task 5: Explain how the ACID properties will be implemented for any online money transaction with an example. Support your answer with relevant literature and in-text (15 marks) citations