| Database Languages |
|
|
|
|
|
|
|
|
|
|
|
|
| • | Database
languages provide features for: |
||||||||||
| – | Building a
database schema |
||||||||||
| – | Retrieving data
from a database |
||||||||||
| – | Manipulating data
in a database |
||||||||||
| • | Two common languages: |
||||||||||
| – | Query-By-Example (QBE) |
||||||||||
| – | Structured Query Language (SQL) |
||||||||||
| (Sections 9.5-8) |
|||||||||||