Data Engineer

2021 va 2022 yillar uchun "zarur bo'lgan kategoriya mahsulotlari" va "buyurtma bo'yicha buyurtmalar soni" ni ko'rsating (yakuniy ko'rinish: 2 qator. Maydonlar: yil, mahsulotlar soni, buyurtmalar soni) with cte as( select year(o.order_date) as year_orders, g.cat_1, count(distinct o.order_id) as count_orders, sum(g.quantity) as count_quan from Orders o join Goods g on o.order_id = g.order_id where (g.cat_1 = 'Kiyim' and Year(o.order_date) = 2021) or (g.cat_1 = 'Kiyim' va Year(o.order_date) = 2022) group by year_orders, g.cat_1 ) select year_orders, count_quan, count_orders from cte 2025 yil uchun, har bir kategoriya bo'yicha eng ko'p sotilgan model 3 ta with cte as( select cat_1, price, quantity, model, rank() over(partition by cat_1) as rk from Orders o join Goods g on o.order_id = g.order_id where Year(o.order_date) = 2025 ) 2025 yil uchun, har bir kategoriya bo'yicha eng ko'p sotilgan model 3 ta with cte as( select g.cat_1, g.model, (price * quantity), rank() over(partition by g.cat_1) as rk from Orders o join Goods g on o.order_id = g.order_id where Year(o.order_date) = 2025 ) with cte as( select g.cat_1, g.model, sum(price * quantity) as sum_, rank() over(partition by g.cat_1 order by sum() desc) as rk from Orders o join Goods g on o.order_id = g.order_id where Year(o.order_date) = 2025 ) with cte1 as( select g.cat_1, g.model, sum(price * quantity) as sum_total, from Orders o join Goods g on o.order_id = g.order_id where Year(o.order_date) = 2025 ), cte2 as(select g.cat_1, g.model, sum_total, rank() over(partition by g.cat_1 order sum_total desc) as rk from cte1 ) select g.cat_1, g.model, sum_total from cte2 where rk <=3 kategori nomi, model va umumiy sotuvlar (eng yaxshi 3) with cte1 as( select g.cat_1 as cat_name, g.model as model, sum(price * quantity) as sum_total, from Orders o join Goods g on o.order_id = g.order_id where Year(o.order_date) = 2025 group by Year(o.order_date), g.model ), cte2 as(select cat_name, model, sum_total, rank() over(partition by cat_name order sum_total desc) as rk from cte1 ) select cat_name, model, sum_total from cte2 where rk <=3

1. Buyurtmalar: - order_date datetime NULL emas - user_id int NULL emas - order_id int NULL emas 2. Mahsulotlar: - order_id int NULL emas - model int NULL emas - cat_1 varchar(50) NULL emas - price int NULL emas - quantity int NULL emas cat_1 qiymatlari: - Kiyim-kechak - Poyabzal - Kosmetika - Uy uchun mahsulotlar - O'yinchoqlar 2021 yilda "Kiyim-kechak" kategoriyasidagi va 2022 yilda "Poyabzal" kategoriyasidagi buyurtmalar va "kerakli kategoriyadagi mahsulotlar" sonini ko'rsating (oxirgi ko'rinish: 2 satr. Maydonlar: yil, mahsulotlar soni, buyurtmalar soni) with cte as( select year(o.order_date) as year_orders, g.cat_1, count(distinct o.order_id) as count_orders, sum(g.quantity) as count_quan from Orders o join Goods g on o.order_id = g.order_id where g.cat_1 = 'Kiyim-kechak' and Year(o.order_date) = 2021 or g.cat_1 = 'Poyabzal' and Year(o.order_date) = 2022 group by year_orders, g.cat_1 ) select year_orders, count_quan, count_orders from cte

Nega siz reytingni alohida CTE ga chiqarishga qaror qildingiz? Nega uni birinchi CTE da darhol ishlatib bo'lmasdi?