$5-12.$ Explain why a one$-$table database could be stored just as readily in Excel as in Access.

$5-13.$ Justify the decision to use Access to store the piano database.

$5-14.$ Examine the columns in Figure $5-20.$ Name three characteristics of pianos that are not represented in this table.

a$.$ If you were a consultant advising Dean, what criteria should you and he use in deciding whether to include that additional data?

b$.$ Is this database a model of an inventory of pianos, or is it a model of Dean$$s model of an inventory of pianos? Explain the difference.

c$.$ How does your answer to question $5-14$b influence your answer to question $5-14$a$?$

$5-15.$ Suppose that, in addition to the data about pianos, Dean wants to store data about the manufacturer such as its address $($or last known address$),$ its years of operation, and general comments about that manufacturer.

a$.$ Design a Manufacturer table.

b$.$ Alter the design of the Piano table $($Figure $5-20)$ to represent the relationship between Piano and Manufacturer. State and justify any assumptions.

$5-16.$ Using the data in Figure $5-23,$ draw conclusions about the effect of location on piano sound quality. Justify your statements using this data.

$5-17.$ Explain in the statement $$A database is an abstraction of some aspect of a business.$$ Using this example, explain the ways that processing an abstraction is more effective than examining pianos. Explain the ways that processing an abstraction is more efficient than examining pianos. Generalize your observation of databases for business in general.

$5-18.$ This database will soon become useless if it is not kept up to date. List procedures that Dean needs to create and follow to keep his database current.