'Spring boot mapsId

Hi I using spring boot jpa and I need to use mapsid. There are not so much information about that and I wonder if anyone can help me understand how to use maybe link a simple code example where its 2 table that joins 1 table (oneToOne)

javaspringhibernatejpa


Solution 1:[1]

for a @OneToOne mapping, it is best to use @MapsId . There are certain benifits to this. You can avoid using @GeneratedValue to your child class. This is more efficient as no separate Generation of Primary key is required.

You can use same key for finding same normalized data over @OneToOne relation.

For detailed explanation and reference, please visit this site. One of the best explanation out there.

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