Answer the following questions and also justify your answers with appropriate examples
Question: 1 Imagine you are a part of a team that is tasked with writing a mobile application (app) that will allow users to send pictures to their friends. The manager does not want to waste time creating code modules.
- Describe at least one (1) advantage of modularizing code for this type of task. Justify your response.
Question 2: Imagine you are a part of a team that is tasked with writing a mobile app that will allow users to coordinate meetings with their business contacts. The team wants to sort the relevant data by user specified criteria. Determine whether or not you believe this type of sorting would be a useful feature for the app. Provide a rationale for your response.
Question 3: Choose one of the ACID qualities that must be present in an OLTP and define in your own words how that quality supports transaction consistency.
Question 4: Select a commercial or open source relational database management system of your choice and outline the locking mechanisms inherent in the system to maintain transaction-level consistency.
Please keep it simple and short and no copy and paste or at least help me get started?