[DB] oracle/mysql 연결

DB 연결!

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Oracle

 - Driver

Class.forName("oracle.jdbc.driver.OracleDriver");

- Connection

jdbc:oracle:thin:@hostname:port:sid

String url = "jdbc:oracle:thin:@localhost:1521:XE";

Connection  conn = DriverManager.getConnection(url, id, password);

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Mysql

 - Driver

Class.forName("com.mysql.jdbc.Driver")

- Connection

jdbc:mysql://hostname:port/tablename

String url = "jdbc:mysql://localhost:3306/krystalim";

conn = DriverManager.getConnection(url, id, password);

이젠 잘해야ㅈ디 으헤헤