Using online documentation, find out about data types used in MS Access $2010,$ Oracle $11$g$,$ and MySQL $5\mathrm{.}0.$ Study two data types modeling issues in these three DBMS:

Compare and contrast the methods for creating an automatic unique identifiers in each DBMS$.$ Put your answer in a short point$/$paragraph$/$table format. List references $($at least one source$).$

Compare and contrast the storage of date, time, and time zone. Specify the data types for storing date, time, and time zone in each DBMS$.$ How dates are stored internally in each DBMS$?$ What is the maximum range for dates? Prepare your answer in a table format. List references $($at least one source$).$