In-memory databases (IMDB) are making significant inroads into database management. Imagine that you are a consultant to a large transaction-oriented Web-based company. Establish the key benefits of the IMDB to the company’s CEO. Suggest the type of infrastructure changes that would be required. Discuss iterative design as it relates to databases overall. Determine whether one must design a database iteratively or design the entire database all at once. Provide a rationale for your answer.