how to use entitymanager in spring boot jpa code example

Example 1: spring boot entitymanager example

entityManager.getTransaction().begin();
		entityManager.remove(emp);
		entityManager.getTransaction().commit();

Example 2: spring boot entitymanager example

List<Employee> emplList= entityManager.createQuery("SELECT UPPER(e.name) FROM Employee e").getResultList();

Example 3: spring boot entitymanager example

//Select Query
List<Employee> emplList= entityManager.createQuery("SELECT e FROM Employee e").getResultList();

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Misc Example

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