# Dimensional modeling

> set of techniques and concepts used in data warehouse design

**Wikidata**: [Q3432172](https://www.wikidata.org/wiki/Q3432172)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Dimensional_modeling)  
**Source**: https://4ort.xyz/entity/dimensional-modeling

## Summary
Dimensional modeling is a specific set of techniques and concepts used in the design of data warehouses. It is classified as a distinct discipline within the broader field of data modeling, which involves creating formal data structures for information systems in software engineering.

## Key Facts
- **Definition:** A set of techniques and concepts specifically used in data warehouse design.
- **Parent Class:** Subclass of **data modeling**.
- **Freebase ID:** /m/0gnf92
- **Microsoft Academic ID:** 143008350 (service discontinued).
- **Wikipedia Presence:** The topic has a sitelink count of 5 across different language editions.
- **Language Coverage:** Wikipedia entries exist in English, Spanish, Norwegian, Portuguese, and Romanian.
- **Context:** It is listed as a related discipline to UML modeling and data hierarchy within the scope of data modeling.

## FAQs
### Q: What is dimensional modeling?
A: Dimensional modeling is a collection of techniques and concepts utilized specifically for designing data warehouses. It provides the structure for how data is organized within these specific storage systems.

### Q: How does dimensional modeling relate to data modeling?
A: Dimensional modeling is a subclass of data modeling. While data modeling is the general process of creating data models for information systems using formal techniques, dimensional modeling focuses specifically on the design aspects relevant to data warehousing.

### Q: In what context is dimensional modeling used?
A: It is used within software engineering and data architecture to support data warehouse design. It functions alongside other modeling approaches like UML modeling to ensure data consistency and usability.

## Why It Matters
Dimensional modeling plays a critical role in the architecture of data warehousing. As a specialized subset of data modeling, it addresses the specific needs of organizing large volumes of data for analysis and reporting. By applying these specific techniques, organizations can ensure that their data warehouses are structured efficiently, supporting the broader goals of data governance and scientific modeling. It bridges the gap between raw data storage and usable business intelligence, enabling effective data hierarchy and retrieval.

## Notable For
- **Specialization:** Being a distinct, specialized discipline within the broader field of data modeling.
- **Function:** Serving as the primary technique set for data warehouse design.
- **Classification:** Being formally recognized as a subclass of data modeling in software engineering.
- **Connectedness:** Operating alongside related disciplines such as UML modeling and data hierarchy.

## Body
### Definition and Classification
Dimensional modeling is formally defined as a set of techniques and concepts used in data warehouse design. It is taxonomically situated as a **subclass of data modeling**. Data modeling itself is defined as the process of creating a data model for an information system by applying formal techniques, primarily within software engineering. Dimensional modeling inherits this formal approach but applies it specifically to the context of warehousing.

### Context within Data Architecture
Within the broader scope of data management, dimensional modeling is identified as a key related discipline alongside **UML modeling** and **data hierarchy**. While data modeling generally produces models that define structures and relationships to ensure consistency and accuracy, dimensional modeling specifically aids in foundational data warehouse architecture. It supports the organizational goal of structuring data for efficient access and storage.

### Digital Identifiers and Presence
Dimensional modeling is indexed under several technical identifiers and knowledge bases:
- **Freebase ID:** /m/0gnf92
- **Microsoft Academic ID:** 143008350 (Note: This service has been discontinued).
- **Wikidata Description:** "set of techniques and concepts used in data warehouse design"

The topic maintains a presence on Wikipedia with a **sitelink count of 5**. This indicates coverage across five distinct language versions of the encyclopedia, specifically **English (en), Spanish (es), Norwegian (no), Portuguese (pt), and Romanian (ro)**.

### Relationship to Data Modeling
As a child class of data modeling, dimensional modeling is part of a broader ecosystem that includes scientific modeling and data governance. The parent discipline supports various paradigms, and dimensional modeling represents the practical application of these paradigms to specific storage architectures. It shares the field with other methodologies designed to formalize the structure and semantics of data in information systems.

## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)