eva/3 Application BuilderDeveloping eva/3 ApplicationsWorking with DatabasesReferential Integrity 

Defining Entities

Fig. 54: Creating a Second Table
Fig. 54: Creating a Second Table

If a suitable second table was inserted into the "Referential integrity editor, the two tables can be associated with each other. Therefor, the primary key from the source table can be moved using "Drag & Drop onto the foreign key at the destination table.

Note: Only primary with foreign key columns can be associated with each other.

Fig. 55: Line Connecting Two Values in Different Tables
Fig. 55: Line Connecting Two Values in Different Tables

The connection between two values is displayed with a black line.