Execute Method : Oracle « Database « Java Tutorial

1. Java Tutorial
2. Database
3. Oracle

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

public class ExecuteMethod {

  public static void main(String[] args) {
    Connection conn = null;
    Statement stmt = null;
    ResultSet rs = null;
    boolean executeResult;
    try {
      String driver = "oracle.jdbc.driver.OracleDriver";
      Class.forName(driver).newInstance();
      System.out.println("Connecting to database...");
      String jdbcUrl = "jdbc:oracle:thin:@localhost:1521:ORCL";
      conn = DriverManager.getConnection(jdbcUrl, "test", "mypwd");
      stmt = conn.createStatement();

      String sql = "INSERT INTO Employees VALUES" + "(1,'G','4351',{d '1996-12-31'},500)";
      executeResult = stmt.execute(sql);
      processExecute(stmt, executeResult);

      sql = "SELECT * FROM Employees ORDER BY hiredate";
      executeResult = stmt.execute(sql);
      processExecute(stmt, executeResult);
    } catch (Exception e) {
      e.printStackTrace();

    } finally {
      try {
        if (conn != null)
          conn.close();
      } catch (SQLException se) {
        se.printStackTrace();
      }
    }
  }

  public static void processExecute(Statement stmt, boolean executeResult) throws SQLException {
    if (!executeResult) {
      int updateCount = stmt.getUpdateCount();
      System.out.println(updateCount + " row was " + "inserted into Employee table.");

    } else {
      ResultSet rs = stmt.getResultSet();
      while (rs.next()) {
        System.out.println(rs.getInt("SSN") + rs.getString("Name") 
            + rs.getDouble("Salary") + rs.getDate("Hiredate") + rs.getInt("Loc_id"));

      }
    }
  }
}