Lists the names and types of each column (field) of a specified object.
odbcListColumns(connection, ...)A data frame with name and type columns, listing the
object's fields.
A connection object, as returned by dbConnect().
Parameters specifying the object.
The object to inspect must be specified as one of the arguments
(e.g. table = "employees"); depending on the driver and underlying
data store, additional specification arguments may be required.