Products That Were Ordered

#996

The catalog flags products that appear at least once in order_items. Rewrite the report in a set-based form and return the unique product id values, sorted by id.

Original query

SELECT p.id FROM products p WHERE EXISTS (SELECT 1 FROM order_items oi WHERE oi.product_id = p.id) ORDER BY p.id

Oodatava väljundi näidis

Nii näeb õige vastus välja — selle ridade arv on omaette ega pea ühtima skeemi tabelitega.

id
1
2
3

Logi sisse, et esitada

Sinu päringu tulemus ilmub siia