Data Model
Data Models: Is used to define how the logical structure of a database is modeled.
Entity: A Database entity is a thing, person, place, unit, object, or any item about which the data should be captured and stored in properties, workflow, and tables.
Attributes: Properties of Entity.
Example:
Entity: Student
​Attributes: id, name, join date
Student
| student id | name | join date |
|---|---|---|
| 101 | Rachel Green | 2000-05-01 |
| 201 | Joey Tribianni | 1998-07-05 |
| 301 | Monica Geller | 1999-12-14 |
| 401 | Cosmo Kramer | 2001-06-05 |