SELECT
/* Selected fields from the 'notes' and 'user' tables */
n.id, n."createdAt", n.text, n.reactions, u.id, u.username

FROM public.note n

/* Join to the 'user' table */
INNER JOIN public.user u
    ON n."userId" = u.id

/* Condition */
WHERE n."userId" = 'user_id_goes_here'

/* Return 250 records, Ascending */
ORDER BY "userId" ASC LIMIT 250;