<?xml version='1.0'?><?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?><ri:Resource created="2009-12-01T10:00:00Z" status="active" updated="2025-07-17T08:26:45Z" version="1.2" xmlns:g-colstat="http://dc.g-vo.org/ColStats-1" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://dc.g-vo.org/ColStats-1 http://vo.ari.uni-heidelberg.de/docs/schemata/Colstats.xsd http://www.ivoa.net/xml/RegistryInterface/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/RegistryInterface.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogResource"><shortName>tap_schema.colum</shortName><identifier>ivo://aip.gavo.org/__system__/tap/columns</identifier><curation><publisher>GAVO at Leibniz-Institute for Astrophysics Potsdam</publisher><creator><name>The GAVO data center team</name><logo>http://vo.ari.uni-heidelberg.de/docs/GavoTiny.png</logo></creator><contact><name>Harry Enke</name><address>Leibnitz-Institut fr Astrophysik</address><email>henke@aip.de</email><telephone>++49 6221 541837</telephone></contact></curation><content><subject>virtual-observatories</subject><subject>catalogs</subject><description>Columns in tables available for ADQL querying.</description><referenceURL>http://gavo.aip.de/tableinfo/tap_schema.columns</referenceURL></content><tableset><schema><name>tap_schema</name><description> AIP DaCHS's Table Access Protocol (TAP) service with
table metadata.</description><table><name>tap_schema.columns</name><description>Columns in tables available for ADQL querying.</description><column><name>table_name</name><description>Fully qualified table name</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag><flag>primary</flag></column><column><name>column_name</name><description>Column name</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag><flag>primary</flag></column><column><name>description</name><description>Brief description of column</description><dataType arraysize="*" xsi:type="vs:VOTableType">unicodeChar</dataType><flag>nullable</flag></column><column><name>unit</name><description>Unit in VO standard format</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ucd</name><description>UCD of column if any</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>utype</name><description>Utype of column if any</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>datatype</name><description>ADQL datatype</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>arraysize</name><description>Arraysize in VOTable notation</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>xtype</name><description>VOTable extended type information (for special interpretation of data content, e.g., timestamps or points)</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>"size"</name><description>Legacy length (ignore if you can).</description><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>principal</name><description>Is column principal?</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>indexed</name><description>Is there an index on this column?</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>std</name><description>Is this a standard column?</description><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>sourcerd</name><description>Id of the originating rd (local information)</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>column_index</name><description>1-based index of the column in database order.</description><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column></table></schema></tableset></ri:Resource>