Your boss has a question for you. “We think this is about the right level of gra

Your boss has a question for you. “We think this is about the right level of granularity for our data mart. What do you think? Should we extract more detailed information, and if so, what? Or would you recommend going to a coarser level of granularity, and if so, what fields would you recommend we drop?” Give your rationale. Think critically, and demonstrate a good understanding of data management.
Attached are the finished files for the assignment and the instruction. Please unzip and load the codes in MySql. My part is Question 4 in Memo Management. Thanks