Glossary

Data Warehouse

A data warehouse is a central store that brings together data from several operational systems in a consistent structure, so it can be analysed together rather than queried separately in each source.

Operational Systems Are Built To Run A Process, Not To Answer Questions About It.

Querying them directly for analysis is slow, competes with live operations, and produces figures that disagree because each system defines its terms differently. A warehouse exists to resolve both problems.

Data analysts reviewing data warehouse pipelines, metrics dashboards, and performance trends — Accurate Data Warehouse tracking provides transparent visibility into operational performance and user behaviour.

The hard part is not storage; it is agreement.: Deciding what a customer is, when an order counts as complete, and which system is authoritative for each field is where most of the effort goes, and those are business decisions dressed as technical ones.
It is not always the right first step.: A business with two systems and a handful of recurring questions is often better served by a small number of well-defined reports. Warehouses justify themselves when the number of sources and the number of questions both grow.

Covered in Business IntelligenceAnalytics Implementation

Frequently Asked Questions

Do We Need A Data Warehouse?

Only when several sources and a growing set of questions make separate reporting unworkable. With two systems and a few recurring questions, well-defined reports are cheaper and faster to trust.

Why Do Our Systems Report Different Numbers?

Because each defines its terms differently: what counts as an order, when a customer is active, which date is used. Resolving those definitions is the real work, and it is a business decision rather than a technical one.

What Does This Cover?

A data warehouse is a central store that brings together data from several operational systems in a consistent structure, so it can be analysed together rather than queried separately in each source.

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Data Warehouse

Operational Systems Are Built To Run A Process, Not To Answer Questions About It.

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Data Warehouse

Operational Systems Are Built To Run A Process, Not To Answer Questions About It.

Frequently Asked Questions

Where this applies

Related Services

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