Title says it all: What is the difference between a UserTransaction and an EntityTransaction?

My rudimentary understanding is that UserTransaction is used when JTA is required (e.g. to do queries on mulitple things), and that EntityTransaction is used when JPA only is required (e.g. when the query is atomic).

Is that the only difference between the two or is there more to it than that?

java jpa transactions jakarta-ee jta
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