select
st_dump(geom) as geom
from
nyc_neighborhoods
where
neighborhood = 'City Island'
select
(st_dump(geom)).geom as geom
from
nyc_neighborhoods
where
neighborhood = 'City Island'
select
st_geometrytype(geom)
from
nyc_neighborhoods
where
neighborhood = 'City Island'
select
st_memsize(geom)
from
nyc_neighborhoods
where
neighborhood = 'City Island'
select
st_npoints(geom)
from
nyc_neighborhoods
where
neighborhood = 'City Island'
select
st_pointn(geom, 1) as geom
from
nyc_bike_routes
where
segmentid = '331385'
select
st_geometrytype(geom) as geom
from
nyc_bike_routes
where
segmentid = '331385'
select
st_pointn(st_linemerge(geom), 1) as geom
from
nyc_bike_routes
where
segmentid = '331385'