I have an MS Access database that contains translated sentences in source-target pairs (a translation memory for fellow users of CAT tools). Somewhat annoyingly, source and
SELECT
t1.id, t1.text AS lang_a, t2.text AS lang_b
FROM
lang_table AS t1
INNER JOIN
lang_table AS t2
ON
(t1.id = t2.id)
WHERE
t1.lang = 'a'
AND
t2.lang = 'b'