version: 2

sources:
  - name: bronze
    schema: 01_bronze
    tables:
      - name: student_raw
        description: Raw student data loaded into the Bronze layer.
        columns:
          - name: student_id
            description: Unique identifier of the student.
            data_tests:
              - not_null
              - unique
          - name: student_name
            description: Full student name.
          - name: country
            description: Current country of the student.
          - name: updated_at
            description: Timestamp when the source record was last updated.