concept

CH column metadata: esios.archives_i90.qh_type

Quarter-hour type discriminator for 15min rows. Values like 'QH1'/'QH2'/'QH3'/'QH4' (the 4 QHs of an hour). NULL for legacy hourly rows.

# `esios.archives_i90.qh_type` Quarter-hour type discriminator for 15min rows. Values like 'QH1'/'QH2'/'QH3'/'QH4' (the 4 QHs of an hour). NULL for legacy hourly rows. - **category**: dimension