How to populate secondary key data in Hibernate JPA programmatically?

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gibsonen2017-07-25 00:54:43

Hibernate

gibsonen, 2017-07-25 00:54:43

Tell me how to populate secondary key data in Hibernate + JPA + Spring Data programmatically? The table is created automatically, there is no data in the database, there are no tables in the database.
There are entities, for example, A and B .
A has a one-to-many relationship with B.
How to write data to table B ?

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