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objectType Column

Columnivoa:nonnegativeInteger table_indexivoa:string nameivoa:string ucdivoa:string unitivoa:string utypeivoa:integer stdivoa:string datatypeivoa:string extended_schemaivoa:string extended_typeivoa:string arraysizeivoa:string delimivoa:string type_systemivoa:string flagivoa:string column_description

Members

name type mult description
table_index ivoa:nonnegativeInteger Index of the table this column belongs to.
name ivoa:string The name of the column.
ucd ivoa:string optional A unified content descriptor that describes the scientific content of the column.
unit ivoa:string optional The unit associated with all values in the column.
utype ivoa:string optional An identifier for a role in a data model that the data in this column represents.
std ivoa:integer If 1, the meaning and use of this column is reserved and defined by a standard model. If 0, it represents a database-specific column that effectively extends beyond the standard.
datatype ivoa:string optional The type of the data contained in the column.
extended_schema ivoa:string optional An identifier for the schema that the value given by the extended attribute is drawn from.
extended_type ivoa:string optional A custom type for the values this column contains.
arraysize ivoa:string optional The shape of the array that constitutes the value, e.g., 4, , 4, 5x4, or 5x*, as specified by VOTable.
delim ivoa:string optional The ivoa:string that is used to delimit elements of an array value when arraysize is not '1'.
type_system ivoa:string optional The type system used, as a QName with a canonical prefix; this will ususally be one of vs:simpledatatype, vs:votabletype, and vs:taptype.
flag ivoa:string optional Hash-separated keywords representing traits of the column. Recognized values include 'indexed', 'primary', and 'nullable'.
column_description ivoa:string optional A free-text description of the column's contents.

Containment

This is contained by Resource