ALTER TABLE buildings DROP COLUMN IF EXISTS location_name_link; ALTER TABLE buildings DROP COLUMN IF EXISTS location_alternative_footprint_links; ALTER TABLE buildings DROP COLUMN IF EXISTS age_historical_raster_map_links; ALTER TABLE buildings DROP COLUMN IF EXISTS age_historical_vectorised_footprint_links; ALTER TABLE buildings DROP COLUMN IF EXISTS landowner_links; ALTER TABLE buildings DROP COLUMN IF EXISTS designers_links; ALTER TABLE buildings DROP COLUMN IF EXISTS builder_links; ALTER TABLE buildings DROP COLUMN IF EXISTS developer_links; ALTER TABLE buildings DROP COLUMN IF EXISTS energy_solar; ALTER TABLE buildings DROP COLUMN IF EXISTS energy_solar_source_type; ALTER TABLE buildings DROP COLUMN IF EXISTS energy_solar_source_links; ALTER TABLE buildings DROP COLUMN IF EXISTS energy_green_roof; ALTER TABLE buildings DROP COLUMN IF EXISTS energy_green_roof_source_type; ALTER TABLE buildings DROP COLUMN IF EXISTS energy_green_roof_source_links;