Решение по базовый SQL

2026-01-04 12:22:40 +03:00
parent a99a7368ae
commit f94e27893d
3 changed files with 98 additions and 0 deletions
@@ -0,0 +1,22 @@
+SELECT
+ name,
+ category,
+  price,
+  price * 1.10 AS price_with_markup,
+  price * 1.20 AS price_with_vat,
+  COALESCE(email_support, 'нет почты') AS status
+FROM products_extended
+WHERE in_stock = true
+  AND category NOT IN ('smartwatch', 'ebook_reader')
+  AND price BETWEEN 300 AND 1300;
+
+SELECT
+  name,
+  category,
+  email_support,
+  price * 1.25 AS price_25,
+  price > 1000 AS premium
+FROM products_extended
+WHERE (price < 150 OR price > 1200)
+  AND email_support IS NOT NULL;
+