| listColumns {SparkR} | R Documentation | 
Returns a list of columns for the given table/view in the specified database.
listColumns(tableName, databaseName = NULL)
| tableName | the qualified or unqualified name that designates a table/view. If no database
identifier is provided, it refers to a table/view in the current database.
If  | 
| databaseName | (optional) name of the database | 
a SparkDataFrame of the list of column descriptions.
since 2.2.0
## Not run: 
##D sparkR.session()
##D listColumns("mytable")
## End(Not run)