Many To Many Mapping In Hibernate
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Many To Many Mapping In Hibernate
Today we will look into hibernate many to many mapping using xml and annotation configurations. Lets take example of country and language.one country can have n number of languages and one language can be spoken by n number of countries.following is relationship diagram among them. In such case, three tables will be created.
Hibernate many to many mapping is made between two entities where one can have relation with multiple other entity instances. A set is mapped with a element in the mapping table and initialized with java.util.hashset. We can map many to many relation either using list, set, bag, map etc.
I hope this helps you.
Hibernate many to many mapping : Their database schema is given in the image. Example of many to many mapping in this example, we will generate a many to many relation between questions and answers by list. The example given in the link also demonstrates this mechanism.
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