2024-03-28T11:48:59.013711ivo://x-unregistred/__system__/tap/key_columnsThe Herschel Extragalactic Legacy Project (HELP)Raphael Shirleyhttps://herschel-vos.phys.sussex.ac.uk/static/img/logo_medium.png2021-05-19T15:40:35Raphael ShileyUniversity of Sussexraphael.shirley@sussex.ac.ukVirtual observatoryCatalogsADQLColumns participating in foreign key relationships between tables
available for ADQL querying.https://herschel-vos.phys.sussex.ac.uk/tableinfo/tap_schema.key_columnstap_schema The Virtual Observatory at susseX (VOX)'s Table Access Protocol (TAP) service with
table metadata.tap_schema.key_columnsColumns participating in foreign key relationships between tables
available for ADQL querying.key_idKey identifier from TAP_SCHEMA.keyscharnullablefrom_columnKey column name in the from tablecharnullabletarget_columnKey column in the target tablecharnullablesourcerdId of the originating rd (local information)charnullable