Oracle SQL уникальный
SELECT DISTINCT column_1
FROM table;
Code language: SQL (Structured Query Language) (sql)
Sounkalo traoré
SELECT DISTINCT column_1
FROM table;
Code language: SQL (Structured Query Language) (sql)SELECT
DISTINCT product_id,
quantity
FROM
ORDER_ITEMS
ORDER BY
product_id;
Code language: SQL (Structured Query Language) (sql)