各种数据库的连接字符串
   static string oracle_CONNECT = "Data Source=KT72;User ID=ktmedicalcenter;PASSWORD=kingthis";
        static string MYSQL_CONNECT = "server=10.1.59.131;port=5029;user id=test; password=123456; database=kingtangdb; pooling=false";
        static string MONGO_CONNECT = "Server=localhost:27017";
        static string PGSQL_CONNECT = "Server=localhost;Port=5432;User Id=postgres;Password=h13584;Database=postgres;";
        static string greenplum_CONNECT = "server=10.1.59.233;uid=gpadmin;pwd=gpadmin;database=kingtdb;timeout=1024;";
        static string vectorwise_CONNECT = "Host=10.1.59.131;User Id=ingres;PWD=ingresdod;Database=test;Port=VW7;";