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Java Programming How to Use Java DataBase Connectivities (JDBC) Incheon Paik Java Computer Industry Lab Contents „ „ „ „ „ Java Simple SQL Creating Table Insert Data Select Data Accessing Data Using JDBC Computer Industry Lab Simple Database Design student studentID Name Email major course registration call_number name teacher semester SID call_num Java Computer Industry Lab Database Table Creation SQL Statement CREATE TABLE student ( studentID INT NOT NULL AUTO_INCREMENT PRIMARY KEY, name VARCHAR(30) NOT NULL, email VARCHAR(45), major VARCHAR(15) ); CREATE TABLE course ( call_number INT NOT NULL PRIMARY KEY, name VARCHAR(25) NOT NULL, teacher VARCHAR(30), semester VARCHAR(10) NOT NULL ); CREATE TABLE registration ( SID INT NOT NULL, call_num INT NOT NULL, PRIMARY KEY (SID, call_num) ); Java Computer Industry Lab Database Table Creation (Running Screen) Java Computer Industry Lab Table Structure Java Computer Industry Lab Insert & Select Data Java Computer Industry Lab Select Data Java Computer Industry Lab Use JDBC import java.sql.*; import java.io.*; // This example is running with MySql public class MyTest{ public static void main(String[] args){ String url = "jdbc:mysql://localhost/paikic?useUnicode=true&characterEncoding=EUC_JP"; String query = "select * from course"; Connection myCon = null; Statement stmt = null; try{ Class.forName("org.gjt.mm.mysql.Driver"); }catch(ClassNotFoundException e){ System.err.println("Class Load Error"); System.err.println(e.getMessage()); } try{ System.out.println("Trying to connect "); myCon = DriverManager.getConnection(url,"root", "sccp2002"); stmt = myCon.createStatement(); ResultSet rs = stmt.executeQuery(query); while(rs.next()){ String col1 = rs.getString(1); String col2 = rs.getString(2); String col3 = rs.getString(3); String col4 = rs.getString(4); System.out.println(" " + col1 + " : " + col2 + " : " + col3 + " : " + col4); } Java } } rs.close(); stmt.close(); myCon.close(); } catch(SQLException e){ System.out.println("MY" + url+" : "); System.err.println(e.getMessage()+e.toString()); } Computer Industry Lab Use JDBC (Running Screen) Java 10 Computer Industry Lab  ... Data Java Computer Industry Lab Use JDBC import java. sql.*; import java. io.*; // This example is running with MySql public class MyTest{ public static void main(String[] args){ String url = "jdbc: mysql://localhost/paikic?useUnicode=true&characterEncoding=EUC_JP";... (SID, call_num) ); Java Computer Industry Lab Database Table Creation (Running Screen) Java Computer Industry Lab Table Structure Java Computer Industry Lab Insert & Select Data Java Computer Industry...Contents „ „ „ „ „ Java Simple SQL Creating Table Insert Data Select Data Accessing Data Using JDBC Computer Industry Lab Simple Database Design student