| Data
Model |
|
|
|
|
|
|
|
|
|
|
|
|
|
| | A
data model says what information is to be |
|||||||||||
| contained
in a database, how the information will |
||||||||||||
| be
used, and how the items in the database will be |
||||||||||||
| related
to each other. (To combine and
synthesize |
||||||||||||
| disparate
data) |
||||||||||||
| | Simple table(s), hierarchical, 3rd Normal Form. |
|||||||||||
| One
of the most widely used methods for |
||||||||||||
| developing
data models is the entity-relationship |
||||||||||||
| model. The relational model is the most widely |
||||||||||||
| used
type of data model. Another example is |
||||||||||||
| NIAM. |
||||||||||||