Method ADT.Relation.Binary()->`+()
- Method `+
mixed `+(mixed rel)
mixed `|(mixed rel)- Description
The expression `rel1 | rel2' and `rel1 + rel2' returns a new relation which has all the relation entries present in rel1, or rel2, or both.
mixed `+(mixed rel)
mixed `|(mixed rel)
The expression `rel1 | rel2' and `rel1 + rel2' returns a new relation which has all the relation entries present in rel1, or rel2, or both.