I

Conduct a thorough analysis of the potential of machine learning$-$driven databases in terms of optimisation, scalability, and security. Additionally, provide concrete examples of current industry implementations to support your analysis.

Discuss the problems that NoSQL databases were developed to solve with confidence. Additionally, compare the four main categories of NoSQL databases, highlighting the main characteristics of each category and providing an example of an appropriate application area.

Thoroughly research how the data was compiled, even if we provide the location of the dataset.

Provide a "What if$?"$ clear and concise. scenario, outlining the necessary steps you would need to take to store your data in a cloud$-$based system, as you are likely storing the dataset in a local resource.

II