For each question, please explain with as much detail as possible and provide examples to support your answer$\mathrm{.}1.$ IntroductioN about below

$1.$ Why must a plan be required for a change to the central database server, specifically upgrading the core software on that database system? What role does your plan fulfil about other groups$/$teams that depend on this central database server?$2.$ Based on Question $1,$ Explain Why a Plan is needed for Core Software Update:$3.$ Based on Question $1,$ Provide Details on plan Rollout:$4.$ Based on Question $1,$ Provide Details Notification for the plan:$5.$ Based on Question $1,$ Backup and Recovery: please explain how you would incorporate backup and recovery procedures within the upgrade plan. What are some of the requirements that should always be included?$6.$ Based on Question $1,$ provide details on incorporating backup and recovery procedures:$7.$ You are asked by your supervisor to list three major components that are required to be updated during an active directory migration from an on$-$site resource to a cloud$-$based resource. Please identify those three components and explain why they are important. Explains the key requirements that those procedures must address:$8.$ Explanation of Major Component $1$ Integration:$9.$ Explanation of Major Component $1$ Integration:$10.$ Explanation of Major Component $1$ Integration:$11.$ Problem Areas: Building on Question $7,$ please explain three potential problem areas that need to be considered within the plan. How will these problem areas affect the migration, and what potential mitigation could be included to reduce their impact?$12.$ Explain Problem Areas:$13.$ Explain the Mitigation strategy for identified problem areas:$14.$ Conclusion:Give me an answer for questions $1$ to $14$ with examples, tools, and briefly.