Nevertheless, one of the fundamental steps that needs to be taken when data is stored in a database system is to define its proper data type and length. By specifying the proper data type for each ...

Add a new row to the table and name the field the name of the field you deleted. Make the field an AutoNumber data type. Then right-click the field and select Primary Key from the context menu.

It is rare to find an implemented database devoid of reference tables. Reference tables provide valid values for drop-down lists and in a slightly obtuse way, also allow for expression of a domain or ...