jdbctemplate query() vs entityManager createQuery()

StackOverflow https://stackoverflow.com/questions/2809241

  •  25-09-2019
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Question

What is essential difference between these methods?

query() of JdbcTemplate and createQuery() of EntityManager?

As I understand, both execute query?

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Solution

JdbcTemplate.query() executes a raw SQL query via Spring's JDBC API

EntityManager.createQuery() creates, but does not execute, a JPA query, via the native JPA API.

Same end result, very different mechanism.

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