ivo://astron.nl/__system__/tap/key_columnsASTRONASTRONhttps://www.astron.nl/sites/default/files/styles/Logo-footer.png2021-02-22T22:05:19Michael Sipior

Oude Hoogeveensedijk 4, 7991PD Dwingeloo, the Netherlands

vo@astron.nlVirtual observatoryCatalogsADQLColumns participating in foreign key relationships between tables available for ADQL querying.https://vo.astron.nl/tableinfo/tap_schema.key_columnsRadiotap_schema The VO @ ASTRON'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