我在用RODBC包连接数据库的时，出现一下报错信息，包是已经装好了，但是没能连接成功，谁能帮忙解决呀？期待中ing > test <- odbcConnect("PostgreSQL35W",uid="root",pwd="123456",case="tolower")
Warning messages:
1: In odbcDriverConnect("DSN=PostgreSQL35W;UID=root;PWD=123456", case = "tolower") :
  [RODBC] ERROR: state 28000, code 210, message Unexpected protocol character='7' during authentication
2: In odbcDriverConnect("DSN=PostgreSQL35W;UID=root;PWD=123456", case = "tolower") :
  ODBC connection failed