updated: 2022-01-23_12:32:31-05:00

Levels of Abstraction

see also: Abstraction

Physical Level

• What information do you want to store?
• How is it going to be stored?
• What information do I want?

Logical Level (Implementation Level)

• What are the relationships in the data?
• What data types? (string etc)

View Level

• Application programs hide details of datatype
• What is visible to the end user? What is hidden?