3.6. How to create your own relation with a listing

You can create your own relation with the data sets

  1. in tab Data choose the set, where you want to add a relation to

  2. choose Add relation from popup menu

    - you will see window New Relation, where:

    • select related data set

    • give relation name on each side

    • set relation cardinality; it means how many elements in a related set corresponds to how many base set elements

    • set relation conditions; it means select columns where values should be equal