Database Language

Definition

Database Language

an implementation language for interacting with databases

Classification

As illustrated in the preceding figure, database languages are part of the following inheritance hierarchy:

• Type: Concrete
• Superclass: Implementation Language
• Subclasses: None
• Example Instances:
  • Object Query Language (OQL)
  • Structured Query Language (SQL)

Responsibilities

The typical responsibilities of a database language are to:

• Specify a data model.
• Enable data definition.
• Enable data access.
• Enable data manipulation.
• Enable access control.
• Enable database portability.
• Enable database reuse.

Guidelines

• Where practical, use an industry standard database language.