micha@TP480:~$ v.info -c roads
Data element 'vector/roads' was found in more mapsets (also found in
<PERMANENT>)
Using <roads@Har_Hanegev>...
Displaying column types/names for database connection of layer <1>:
INTEGER|cat
INTEGER|gid
INTEGER|id
INTEGER|length
CHARACTER|name
CHARACTER|type
CHARACTER|use
CHARACTER|yishuv

micha@TP480:~$ g.region -p vect=roads2

micha@TP480:~$ v.rast.stats roads2 rast=dem_4m column_prefix=elev
WARNING: No areas selected from vector map <roads2>
WARNING: Not all vector categories converted to raster. Converted 147 of
         312.
Processing input data (147 categories)...
 100%
Updating the database ...

micha@TP480:~$ v.info -c roads2
Displaying column types/names for database connection of layer <1>:
INTEGER|cat
INTEGER|gid
INTEGER|id
INTEGER|length
CHARACTER|name
CHARACTER|type
CHARACTER|use
CHARACTER|yishuv
DOUBLE PRECISION|elev_number
DOUBLE PRECISION|elev_null_cells
DOUBLE PRECISION|elev_minimum
DOUBLE PRECISION|elev_maximum
DOUBLE PRECISION|elev_range
DOUBLE PRECISION|elev_average
DOUBLE PRECISION|elev_stddev
DOUBLE PRECISION|elev_variance
DOUBLE PRECISION|elev_coeff_var
DOUBLE PRECISION|elev_sum
DOUBLE PRECISION|elev_first_quartile
DOUBLE PRECISION|elev_median
DOUBLE PRECISION|elev_third_quartile
DOUBLE PRECISION|elev_percentile_90

micha@TP480:~$ v.db.select roads2 columns=elev_minimum,elev_maximum,elev_average,elev_stddev | head
elev_minimum|elev_maximum|elev_average|elev_stddev
-378.044708251953|-110.445526123047|-306.623860067546|81.2172675415943
-372.899230957031|-338.318267822266|-355.503255666097|8.52284278526592
-217.204177856445|-216.291137695312|-216.782756260463|0.324664221025042
-159.378814697266|-152.474395751953|-156.435197845877|1.78710129652147
-159.060150146484|-122.469970703125|-146.012489771125|11.1211311595026