选择正确的DB2驱动程序以获得数据加速

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

public class DB2JDBCExample {
    public static void main(String[] args) {
        String url = "jdbc:db2://hostname:port/database";
        String user = "username";
        String password = "password";

        try {
            Class.forName("com.ibm.db2.jcc.DB2Driver");
            Connection conn = DriverManager.getConnection(url, user, password);
            Statement stmt = conn.createStatement();
            ResultSet rs = stmt.executeQuery("SELECT * FROM your_table");

            while (rs.next()) {
                System.out.println(rs.getString(1));
            }

            rs.close();
            stmt.close();
            conn.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

#include <sqlcli1.h>
#include <stdio.h>

int main() {
    SQLHENV henv;
    SQLHDBC hdbc;
    SQLHSTMT hstmt;
    SQLRETURN retcode;

    SQLCHAR *dsn = (SQLCHAR *)"DSN_NAME";
    SQLCHAR *user = (SQLCHAR *)"username";
    SQLCHAR *password = (SQLCHAR *)"password";

    SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv);
    SQLSetEnvAttr(henv, SQL_ATTR_ODBC_VERSION, (void *)SQL_OV_ODBC3, 0);
    SQLAllocHandle(SQL_HANDLE_DBC, henv, &hdbc);
    SQLConnect(hdbc, dsn, SQL_NTS, user, SQL_NTS, password, SQL_NTS);
    SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt);

    SQLExecDirect(hstmt, (SQLCHAR *)"SELECT * FROM your_table", SQL_NTS);

    SQLCHAR col1[256];
    while (SQLFetch(hstmt) == SQL_SUCCESS) {
        SQLGetData(hstmt, 1, SQL_C_CHAR, col1, sizeof(col1), NULL);
        printf("%s\n", col1);
    }

    SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
    SQLDisconnect(hdbc);
    SQLFreeHandle(SQL_HANDLE_DBC, hdbc);
    SQLFreeHandle(SQL_HANDLE_ENV, henv);

    return 0;
}

using System;
using System.Data;
using IBM.Data.DB2;

class Program
{
    static void Main()
    {
        string connectionString = "Server=hostname:port;Database=database;UID=username;PWD=password;";
        using (DB2Connection conn = new DB2Connection(connectionString))
        {
            conn.Open();
            using (DB2Command cmd = new DB2Command("SELECT * FROM your_table", conn))
            {
                using (DB2DataReader reader = cmd.ExecuteReader())
                {
                    while (reader.Read())
                    {
                        Console.WriteLine(reader.GetString(0));
                    }
                }
            }
        }
    }
}