3.3 Successful queries

If the query was successful, the service will return a HTTP code 200.
In addition, if the RESPONSEFORMAT was set to VOTable, the VOTable result document will contain, in the RESOURCE element and before the TABLE element, the following snippet: <INFO name="QUERY_STATUS" value="OK" />.

Example:

<?xml version="1.0" encoding="UTF-8"?>
<VOTABLE ... >
    ....
    <RESOURCE type="results">
        <INFO name="QUERY_STATUS" value="OK" />
        <TABLE>
        ...
        </TABLE>
    </RESOURCE>
</VOTABLE>