SELECT
CONCAT(SELECT idTag FROM tag_in_record WHERE idRecord = 7060) AS list,
*
FROM records WHERE id = 7060
SELECT
(SELECT group_concat(idTag) FROM tag_in_record WHERE idRecord = 7060) AS list,
*
FROM records WHERE id = 7060
SELECT
*,
group_concat(idTag) AS list
FROM records
join tag_in_record on tag_in_record.idRecord = records.id
WHERE id = 7060
group by records.fields