Will the entries be duplicated?

Will the entries be duplicated?

Let say I have a many-to-many relation in spring-data-jpa between Post entity and Post_Tagentity. Now if I persist a post with tags like java, testing. The post_tags java, testing will be persisted with the post with a cascade type of persist. Now if I save another post with tags like php, testing, will the testing post_tag row duplicated in the Post_Tag table? Or the previous entry will be used?

Let say I have a many-to-many relation in spring-data-jpa between Post entity and Post_Tagentity. Now if I persist a post with tags like java, testing. The post_tags java, testing will be persisted with the post with a cascade type of persist. Now if I save another post with tags like php, testing, will the testing post_tag row duplicated in the Post_Tag table? Or the previous entry will be used?

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