Get Column Names From ResultSet for Oracle : Oracle JDBC « Database SQL JDBC « Java

Get Column Names From ResultSet for Oracle

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;

public class GetColumnNamesFromResultSet_Oracle {

  public static Connection getConnection() throws Exception {
    String driver = "oracle.jdbc.driver.OracleDriver";
    String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
    String username = "username";
    String password = "pass";

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

  public static void getColumnNames(ResultSet rs) throws SQLException {
    if (rs == null) {
    // get result set meta data
    ResultSetMetaData rsMetaData = rs.getMetaData();
    int numberOfColumns = rsMetaData.getColumnCount();

    // get the column names; column indexes start from 1
    for (int i = 1; i < numberOfColumns + 1; i++) {
      String columnName = rsMetaData.getColumnName(i);
      // Get the name of the column's table name
      String tableName = rsMetaData.getTableName(i);
      System.out.println("column name=" + columnName + " table=" + tableName + "");

  public static void main(String[] args) {
    Connection conn = null;
    Statement stmt = null;
    ResultSet rs = null;
    try {
      conn = getConnection();
      // prepare query
      String query = "select id, name, age from employees";
      // create a statement
      stmt = conn.createStatement();
      // execute query and return result as a ResultSet
      rs = stmt.executeQuery(query);
      // get the column names from the ResultSet
    } catch (Exception e) {
    } finally {
      // release database resources
      try {
      } catch (SQLException e) {

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