> ## Documentation Index
> Fetch the complete documentation index at: https://docs.getcollate.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Data Quality Tab | Quality Interface

> Use the quality tab to review profiling results, detect issues, and verify test coverage for your datasets.

# Data Quality Tab

The **Profiler & Data Quality** tab appears on every Table page and gives you three sub-tabs to explore your data's health:

* **Table Profile**: Summary statistics and row counts for the table
* **Column Profile**: Column-level statistics including nulls, distinct values, and value distributions
* **Data Quality**: Test results for all tests run on this table

## Viewing Test Results

The Data Quality sub-tab shows a summary of all tests run on the table — how many passed, failed, or were aborted — along with a list of individual test cases showing which table or column each test covers.

<img src="https://mintcdn.com/collatedocs/kIcf12aq0fGgWkOd/public/images/ai-2.0/data-observability/data-quality/data-quality-assets-tab.png?fit=max&auto=format&n=kIcf12aq0fGgWkOd&q=85&s=f318b919fa495953948ada262bda86a0" alt="Data Quality tab showing test results summary and test case list" width="2740" height="1488" data-path="public/images/ai-2.0/data-observability/data-quality/data-quality-assets-tab.png" />

Click any test case to see its full details, including result history over time. Use the time filter at the top to focus on a specific date range. To edit a test, click the edit icon next to it.

<img src="https://mintcdn.com/collatedocs/kIcf12aq0fGgWkOd/public/images/ai-2.0/data-observability/data-quality/dq2.png?fit=max&auto=format&n=kIcf12aq0fGgWkOd&q=85&s=cb061f7ce17bdf7e4642ccad5fba0936" alt="Details of a Test Case" width="2824" height="1027" data-path="public/images/ai-2.0/data-observability/data-quality/dq2.png" />

<Card title="How to Write and Deploy No-Code Test Cases from the UI" href="/ai-2-0/how-to-guides/data-quality-observability/quality/test">
  Verify your data quality with table and column level tests.
</Card>
