Data engineering and IT

Semantic layer

  • Data engineering and IT

Definition

A business-friendly layer that translates technical data into agreed terms and calculations everyone uses.

Example

Finance and Sales use one agreed definition of net revenue despite having separate reports.

See how it works

  1. Orders and invoices
  2. Agreed revenue formula and exclusions
  3. Reusable net revenue measure
  4. Finance and Sales dashboards

Check your understanding

Common mistake: Identical measure names do not guarantee identical calculations.

Why use a semantic layer?

Show explanation

It helps different reports use the same agreed business definitions and calculations.

For your role

Choose your role to see what this term means in your work.

Why it matters

Everyone gets the same answer for the same question.

Where it is used

BI platforms and shared metric definitions.