hibernate entitymanager example

EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("persistence"); EntityManager entityManager = entityManagerFactory.createEntityManager(); entityManager.getTransaction().begin(); Employee employee = new Employee(); employee.setName("Sanjay"); // Save Entity entityManager.persist(employee); entityManager.getTransaction().commit(); System.out.println("Generated Employee ID = " + employee.getEmployeeId());

spring boot hibernate entitymanager

<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
             http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
	version="2.1">
 
	<persistence-unit name="persistence">
		<description>JPA Entity Manager</description>
		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
 
		<properties>
			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
			<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/test" />
			<property name="hibernate.hbm2ddl.auto" value="update" />
			<property name="javax.persistence.jdbc.user" value="root" />
			<property name="javax.persistence.jdbc.password" value="root" />
			<property name="hibernate.show_sql" value="true" />
		</properties>
 
	</persistence-unit>
 
</persistence>

Posted by: Guest on June-19-2020

Source

<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd" version="2.1"> <persistence-unit name="persistence"> <description>JPA Entity Manager</description> <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider> <properties> <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" /> <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/test" /> <property name="hibernate.hbm2ddl.auto" value="update" /> <property name="javax.persistence.jdbc.user" value="root" /> <property name="javax.persistence.jdbc.password" value="root" /> <property name="hibernate.show_sql" value="true" /> </properties> </persistence-unit> </persistence>

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