Database Design : Take a crack at designing a simple database for 'A Small Dentist Office'. To keep it simple, please exclude any financial or billing information. So build a simple database that keeps track of patient information and appointments. Keep this very simple, maybe $4$ tables. T$$

Part I: First determine the entities. The entities will be the tables. For example in an employee database the entities might be: an Employee, a Dept. These would then become the tables....the Employee table and the Dept table. Once you have come up with your $4$ tables, move on to Part II$.$ II

Part II: Design each table. Tables must include:II

a$.$ Appropriate column namestl

b$.$ Data type for each column II

c$.$ Whether a column can be 'null' or not TI

d$.$ Indicate any 'Primary Keys' and 'Foreign Keys'.