Asosiy tarkibga o‘tish

Masalalar

Kirish
Masalalar
0193

Kim qancha xarid qildi

Medium 250 ball SQL 1000 ms admin

Har bir buyurtma bir nechta mahsulotdan iborat (order_items: qaysi mahsulotdan necha dona). Buyurtma bergan har bir mijoz uchun jami xarid summasini (quantity * price yig‘indisi) toping.

Natijani summa bo‘yicha kamayish tartibida chiqaring; summa teng bo‘lsa — ism bo‘yicha alifbo tartibida.

Namunaviy ma‘lumotlar

customers· 7 qator
id integername textcity textphone text
1Aziz NazarovToshkent+998901320957
2Laylo MirzayevToshkent+998908515871
3Alisher MirzayevToshkent+998905100438
4Anvar MirzayevToshkentNULL
5Alisher RahimovSamarqandNULL
6Alisher KarimovSamarqand+998908534436
7Aziza ToshmatovToshkent+998905550318
products· 9 qator
id integername textcategory textprice integerstock integer
1SutOziq-ovqat207000018
2NoutbukElektronika2590000104
3QuloqchinElektronika149500064
4VelosipedSport16500005
5NonOziq-ovqat6000097
6KurtkaKiyim205000035
7GantelSport2000029
8Mehrobdan chayonKitoblar165000069
9Sariq devni minibKitoblar25800000
orders· 14 qator
id integercustomer_id integerorder_date text
112025-03-15
212025-03-16
312025-03-17
422025-06-25
522025-06-26
612025-06-17
752025-04-18
812025-09-19
932025-07-04
1022025-07-03
1112025-10-14
1212025-05-15
1332025-03-24
1452025-03-02
order_items· 29 qator
order_id integerproduct_id integerquantity integer
181
191
142
291
214
273
311
361
453
541
563
635
732
755
725
845
964
912
993
1023
1084
1032
1161
1152
1112
1212
1223
1345
1415
Jadval tuzilishi (CREATE TABLE)
CREATE TABLE customers (id INTEGER PRIMARY KEY, name TEXT, city TEXT, phone TEXT);
CREATE TABLE products (id INTEGER PRIMARY KEY, name TEXT, category TEXT, price INTEGER, stock INTEGER);
CREATE TABLE orders (id INTEGER PRIMARY KEY, customer_id INTEGER, order_date TEXT);
CREATE TABLE order_items (order_id INTEGER, product_id INTEGER, quantity INTEGER);

Natija

Ikki ustun: name, total. Tartib muhim.

Namunaviy ma‘lumotlarda kutilgan natija

Aziz Nazarov56515000
Alisher Mirzayev28330000
Alisher Rahimov26590000
Laylo Mirzayev25340000

Qatorlar aynan shu tartibda bo‘lishi kerak. Yechim yashirin, kattaroq ma‘lumotlarda ham tekshiriladi.

Chekinishbo‘sh joy soni
Kodingiz shu brauzerda saqlanadi.
Kirish

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