решение задач по фильтрации SQL

ebelykh/postgresql/фильтрация/Script.sql

@@ -20,3 +20,35 @@ FROM products_extended
 WHERE (price < 150 OR price > 1200)
   AND email_support IS NOT NULL;
 
+SELECT
+  id,
+  name,
+  category,
+  price
+FROM products_extended
+WHERE category IN ('smartphone', 'laptop', 'tablet')
+  AND name NOT LIKE '%i%'
+  AND price BETWEEN 500 AND 1300
+ORDER BY id;
+
+SELECT
+  name,
+  category,
+  price,
+  'нет поддержки' AS comment
+FROM products_extended
+WHERE in_stock = true
+  AND email_support IS NULL
+  AND price < 800;
+
+SELECT
+  name,
+  category,
+  price,
+  price > 1000 AS premium
+FROM products_extended
+WHERE (name LIKE '%Pro' OR name LIKE '%X%')
+  AND in_stock = true
+  AND price > 700;
+
+