测试速度（发送和接收信息）客户端（app） - 数据库（服务器）

I would like to test time connection (send and receive information) between client (app) - database (server MSSQL). For example I test lan speed using iperf but I don't know how test speed time between servers and which value will be correct (ask for sql send sql - time). Could you help me find something better then ping and iperf? :) I would like to test time connection (send and