... joinMap("phones"); c.multiselect(emp.get("name"), phone.key(), phone.value()); We need to use the joinMap() method in this case because there is no way to overload the join() method to return a Join object or MapJoin object when all we ...
... Joins. A join is a query that combines results from multiple entities. Joins in JP QL queries are logically equivalent to SQL ... types that satisfy all the join conditions. Path navigation from one entity to another is a form of inner join.
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