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A Domain represents a top-level business area — Finance, Sales, Customer, Human Resources, Supply Chain. Domains set the accountability boundary: they determine who owns data quality SLAs, who stewards assets, and how quality scores are grouped across the platform. Sub-domains refine ownership within a domain. Finance might contain sub-domains for Accounts Receivable, Accounts Payable, and FP&A — each with its own steward and quality targets.

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Cardinality rules

A single table can have a different domain than some of its attributes. For example, customer_orders lives in the Sales domain, but its customer_id attribute belongs to the Customer domain, and payment_status belongs to Finance — because stewardship of each field’s meaning comes from a different team.

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How to create a Domain

1

Navigate to Semantics → Domain

Click Semantics in the top navigation bar, then select Domain.
2

Add a Domain or Sub-domain

Click + Add Domain to create a top-level domain, or select an existing domain and click + Add Sub-domain to nest one underneath it.
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3

Fill in the details

4

Save

Click Save. The domain appears in the list and is immediately available as a facet in the Asset catalog.

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Domain list

The Domain page shows all domains and sub-domains with:

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Assigning a domain to an asset

Open any asset’s detail page → right-side panel → Domain field → search and select. A domain can also be assigned in bulk from the Asset catalog using the multi-select action menu.

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Use cases

Quality accountability by business area — view average quality scores grouped by domain on the Quality Score page. Identify which business area has the most degraded data and assign the right steward. Scoped access control — grant a team access to all assets in the Finance domain without listing every table individually. Domain membership drives RBAC resource scoping. Impact analysis — when a pipeline fails, filter Issues by domain to see which business area is affected and notify the right owner. Sub-domain granularity — large domains like Finance often need distinct ownership per function. Sub-domains (Accounts Receivable, FP&A) let each sub-team own their slice while rolling up scores to the parent domain.
Use the Asset catalog’s Domain filter to audit which assets have no domain assigned — these are the most likely to be unowned and under-monitored.