Rational Developer for System z

Types of mappings

For descriptive purpose mappings can be classified into four types: one-sided mappings, one-to-one mappings, many-to-one mappings, and group mappings.

You do not have to literally specify one of these types when you create a mapping. Rather any mapping that you create can be described as belonging to one of these four types.

Source element, target element: See Source elements, target elements.

The four types of mappings are:


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