List the variables in an entity.
Examples
if (FALSE) { # \dontrun{
dic<-redatam_open("path/to/rxdb")
redatam_variables(dic, "person")
} # }
List the variables in an entity.
if (FALSE) { # \dontrun{
dic<-redatam_open("path/to/rxdb")
redatam_variables(dic, "person")
} # }