# Table quality\_criterion\_children # ## Remarks ## A quality criterion can have several sub criteria. ## Schema ## | **Name** | **Type** | **Not Null** | **Primary Key** | **Foreign Key** | **Remarks** | |:---------|:---------|:-------------|:----------------|:----------------|:------------| | id\_quality\_criterion\_child | integer | X | | [quality\_criterion](quality_criterion)(id\_quality\_criterion) | This is a foreign key to the table quality\_criterion. It is also the primary key of the table. It corresponds to the quality criterion that defines the sub criterion. | | id\_quality\_criterion | integer | | | [quality\_criterion](quality_criterion)(id\_quality\_criterion) | This is a foreign key to the table quality\_criterion. It corresponds to the parent criterion. | ## Diagram ## {{url>http://wiki.sigmah.org/svg_load.php?file=quality_criterion_children.svg 900px,550px noborder}}