Get Object From Oracle Database Using STRUCT
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class Main {
public static void main(String[] args) throws Exception {
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
conn = getOracleConnection();
stmt = conn.createStatement();
rs = stmt.executeQuery("SELECT emp, age FROM employee");
while (rs.next()) {
oracle.sql.STRUCT emp = (oracle.sql.STRUCT) rs.getObject(1);
Object[] empValues = emp.getAttributes();
String name = (String) empValues[0];
java.math.BigDecimal badgeNumber = (java.math.BigDecimal) empValues[1];
int age = rs.getInt(2);
System.out.println("name=" + name);
System.out.println("badgeNumber=" + badgeNumber);
System.out.println("age=" + age);
}
rs.close();
stmt.close();
conn.close();
}
private static Connection getHSQLConnection() throws Exception {
Class.forName("org.hsqldb.jdbcDriver");
System.out.println("Driver Loaded.");
String url = "jdbc:hsqldb:data/tutorial";
return DriverManager.getConnection(url, "sa", "");
}
public static Connection getMySqlConnection() throws Exception {
String driver = "org.gjt.mm.mysql.Driver";
String url = "jdbc:mysql://localhost/demo2s";
String username = "oost";
String password = "oost";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
public static Connection getOracleConnection() throws Exception {
String driver = "oracle.jdbc.driver.OracleDriver";
String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
String username = "userName";
String password = "password";
Class.forName(driver); // load Oracle driver
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
}
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