Spring에서의 DB 사용

박주현·2023년 1월 3일
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국비 공부

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user 생성하기

create user keduit identified by "1234"
default tablespace users
temporary tablespace temp;

grant connect, dba to keduit;

http port 확인하고 9090번으로 변경하기

select dbms_xdb.gethttpport() from dual;

exec dbms_xdb.sethttpport(9090);

Spring에서 Oracle DB 연결하기

@Log4j
public class JDBCTests {
	static {
		try {
			Class.forName("oracle.jdbc.driver.OracleDriver");

		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	@Test
	public void testConnention() {
		try (Connection conn = DriverManager.getConnection(
				"jdbc:oracle:thin:@localhost:1521:xe", 
				"keduit", 
				"1234")) {
			log.info(conn);
		} catch (Exception e) {
			fail(e.getMessage());
		}
	}
}

Hikari CP

Hikari Connection Pool을 사용하기 위해 root-context에 bean 설정을 해주었다.

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
	
	<bean id="hikariConfig" class="com.zaxxer.hikari.HikariConfig">
		<property name="driverClassName" value="net.sf.log4jdbc.sql.jdbcapi.DriverSpy"></property>
		<property name="jdbcUrl" value="jdbc:log4jdbc:oracle:thin:@localhost:1521:xe"></property>
		<property name="username" value="keduit"></property>
		<property name="password" value="1234"></property>
	</bean>
	<bean id="dataSource" class="com.zaxxer.hikari.HikariDataSource" destroy-method="close">
		<constructor-arg ref="hikariConfig"></constructor-arg>
	</bean>
	<!-- Root Context: defines shared resources visible to all other web components -->
	<context:component-scan base-package="com.keduit.sample"></context:component-scan>
		
</beans>

MyBatis


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