Table Description:
This table is available for ADQL queries and through the TAP endpoint.
Resource Description:
For a list of all services and tables belonging to this table's resource, see Information on resource '__system__/tap'
To cite the table as such, we suggest the following BibTeX entry:
@MISC{vo:tap_schema_keys,
  year=2009,
  title={Untitled Resource},
  author={Zi Yin; Alexandre Rostaing; Azria Chloe},
  url={http://vo.projet.latmos.ipsl.fr/tableinfo/tap_schema.keys},
  howpublished={{VO} resource provided by the {LATMOS} {DaCHS} server}
}
		Sorted by DB column index. [Sort alphabetically]
| Name | Table Head | Description | Unit | UCD | 
|---|---|---|---|---|
| key_id | Id | Unique key identifier | N/A | N/A | 
| from_table | From table... | Fully qualified table name | N/A | N/A | 
| target_table | To table... | Fully qualified table name | N/A | N/A | 
| description | Description | Description of this key | N/A | N/A | 
| utype | Utype | Utype of this key | N/A | N/A | 
| sourceRD | Sourcerd | Id of the originating rd (local information) | N/A | N/A | 
Columns that are parts of indices are marked like this.
The following services may use the data contained in this table:
VO nerds may sometimes need VOResource XML for this table.