JPA 설정

프로젝트 설정

• 자바 11
• maven project
• H2 Database
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JPA 설정

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 <modelVersion>4.0.0</modelVersion>
 <groupId>jpa-basic</groupId>
 <artifactId>ex1-hello-jpa</artifactId>
 <version>1.0.0</version>
 <dependencies>
     <!-- JPA 하이버네이트 -->
     <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-entitymanager</artifactId>
        <version>5.3.10.Final</version>
     </dependency>
   	<!-- H2 데이터베이스 -->
     <dependency>
     	<groupId>com.h2database</groupId>
     	<artifactId>h2</artifactId>
     	<version>1.4.199</version>
     </dependency>
   </dependencies>
</project>

persistance.xml 설정
(persistance.xml 파일 알아보기)

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.2"
 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_2.xsd">
 <persistence-unit name="hello">
 <properties>
 <!-- 필수 속성 -->
 <property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
 <property name="javax.persistence.jdbc.user" value="sa"/>
 <property name="javax.persistence.jdbc.password" value=""/>
 <property name="javax.persistence.jdbc.url" value="jdbc:h2:tcp://localhost/~/test"/>
 <property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>

 <!-- 옵션 -->
 <property name="hibernate.show_sql" value="true"/>
 <property name="hibernate.format_sql" value="true"/>
 <property name="hibernate.use_sql_comments" value="true"/>
 <!--<property name="hibernate.hbm2ddl.auto" value="create" />-->
 </properties>
 </persistence-unit>
</persistence>