import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class SelectRecordsUsingPreparedStatement {
public static Connection getConnection() throws Exception {
String driver = "oracle.jdbc.driver.OracleDriver";
String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
String username = "name";
String password = "password";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
public static void main(String[] args) {
ResultSet rs = null;
Connection conn = null;
PreparedStatement pstmt = null;
try {
conn = getConnection();
String query = "select deptno, deptname, deptloc from dept where deptno > ?";
pstmt = conn.prepareStatement(query); // create a statement
pstmt.setInt(1, 1001); // set input parameter
rs = pstmt.executeQuery();
// extract data from the ResultSet
while (rs.next()) {
int dbDeptNumber = rs.getInt(1);
String dbDeptName = rs.getString(2);
String dbDeptLocation = rs.getString(3);
System.out.println(dbDeptNumber + "\t" + dbDeptName + "\t" + dbDeptLocation);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
rs.close();
pstmt.close();
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}