wikideck/db/getDeck.sql
Eric Meehan c83f5feb4b Developing components.
* Created database classes

* Wrote initial queries

* Added validations
2025-05-30 00:28:08 -04:00

11 lines
285 B
SQL

SELECT cardId, pageId, transactionId
FROM (
SELECT cardId, pageId, transactionId, ROW_NUMBER() OVER (
PARTITION BY cardId ORDER BY timestamp DESC
) AS rowNumber
FROM transactions
JOIN cards
WHERE receiver == {userId}
) AS subquery
WHERE rowNumber == 0;