A relationship between table components can be created by linking one table component to another via drag-and-drop. The order of a parent component’s children depends on the values of the arc-property order. This order can be modified by moving children via drag-and-drop. A child component can also be dragged onto or under a different parent component in order to copy or move the relation (including its properties).
When creating a new component via the context menu of an existing (parent) component, the relationship (that is, the arc) is generated automatically. The commands Override Arc and Remove Arc in a child component’s context menu serve to override or remove the relationship between the component and its parent. Multiple arcs of overridden relations are displayed in sub-lines. The arcrole of table component relations cannot be modified.
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