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High severitydata integrity

Power BI Refresh Error:
1216

What does this error mean?

An INSERT or UPDATE on a child table references a parent key value that does not exist.

Common causes

  • 1Data is loaded into child tables before the referenced parent rows exist
  • 2ADF pipeline load order does not respect foreign key dependencies
  • 3dbt model execution order does not account for FK relationships
  • 4Source data contains orphaned child records with no matching parent

How to fix it

  1. 1Step 1: Identify which FK constraint failed from the error message.
  2. 2Step 2: Ensure parent table rows are inserted before child rows — reorder ADF activities using dependencies.
  3. 3Step 3: Temporarily disable FK checks during bulk load if load order cannot be changed: `SET FOREIGN_KEY_CHECKS=0;` then re-enable after: `SET FOREIGN_KEY_CHECKS=1;`
  4. 4Step 4: Clean orphaned source records: `DELETE FROM child WHERE parent_id NOT IN (SELECT id FROM parent);`

Frequently asked questions

Is it safe to disable FOREIGN_KEY_CHECKS during an ADF load?

Only in a controlled load scenario where you guarantee data integrity manually. Always re-enable with `SET FOREIGN_KEY_CHECKS=1;` immediately after the load completes.

How do I set ADF activity dependency order to respect MySQL FKs?

In ADF pipeline design, add a success dependency between the parent table copy activity and the child table copy activity so child loads only start after parent loads complete.

Can MetricSign show which pipeline activity caused the FK failure?

Yes — MetricSign surfaces the failed ADF pipeline run with the error detail, helping you identify which copy activity triggered the constraint violation.

Official documentation: https://dev.mysql.com/doc/mysql-errors/8.0/en/server-error-reference.html

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