Acquisition Architecture

The system topology and technology supporting the extraction, transformation, integration, transport and loading of data into the data warehouse

Aggregation

A type of data consolidation whereby data is rolled-up or summarized. See consolidation.

Architecture

The form, structure and topology of any physical or conceptual system made up of inter-related components. See acquisition architecture, information architecture.

Archiving

Moving data to long-term off-line storage.

Artifact

A design consideration for retaining time-based (temporal) relationships of data over time.

Atomic Data

See organizationally structured, atomic level

Atomic Data Acquisition

See data acquisition, acquisition architecture

Atomic Level

Data warehouse level with the lowest degree of granularity. Atomic level data is used to populate data marts, departmental data stores, or other data warehouse levels.