postgis_srs — Return a metadata record for the requested authority and srid.
setof record postgis_srs(text auth_name, text auth_srid);
Returns a metadata record for the requested auth_srid for the given auth_name. The record will have the auth_name, auth_srid, srname, srtext, proj4text, and the corners of the area of usage, point_sw and point_ne.
Availability: 3.4.0
Proj version 6+
Get the metadata for EPSG:3005.
SELECT * FROM postgis_srs('EPSG', '3005');
auth_name | EPSG
auth_srid | 3005
srname | NAD83 / BC Albers
srtext | PROJCS["NAD83 / BC Albers", ... ]]
proj4text | +proj=aea +lat_0=45 +lon_0=-126 +lat_1=50 +lat_2=58.5 +x_0=1000000 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs
point_sw | 0101000020E6100000E17A14AE476161C00000000000204840
point_ne | 0101000020E610000085EB51B81E855CC0E17A14AE47014E40