SQL для тестировщика

Дана следующая таблица:

| OrderID | CustomerID |  OrderDate | TotalAmount |
|---------|------------|------------|-------------|
|    1    |    101     | 2022-05-15 |    500      |
|    2    |    102     | 2022-06-20 |    750      |
|    3    |    103     | 2022-06-25 |   1000      |
|    4    |    101     | 2022-07-10 |    300      |
|    5    |    104     | 2022-08-05 |    900      |

Какой из следующих SQL запросов вернет CustomerID и максимальный TotalAmount среди всех заказов?

A)

SELECT CustomerID, MAX(TotalAmount) FROM Orders

SELECT CustomerID, TotalAmount FROM Orders WHERE TotalAmount = MAX(TotalAmount)

SELECT CustomerID, TotalAmount FROM Orders WHERE TotalAmount = (SELECT MAX(TotalAmount) FROM Orders)

D) SELECT CustomerID, MAX(TotalAmount) FROM Orders GROUP BY CustomerID

www.tg-me.com/no/SQL для тестировщика/com.sql_for_qa/108

2.2K viewsJun 15, 2023 at 13:56

tg-me.com/sql_for_qa/108

Create: 2023-06-15
Last Update: 2025-07-01 22:15:41

Дана следующая таблица:

| OrderID | CustomerID | OrderDate | TotalAmount | |---------|------------|------------|-------------| | 1 | 101 | 2022-05-15 | 500 | | 2 | 102 | 2022-06-20 | 750 | | 3 | 103 | 2022-06-25 | 1000 | | 4 | 101 | 2022-07-10 | 300 | | 5 | 104 | 2022-08-05 | 900 |Какой из следующих SQL запросов вернет CustomerID и максимальный TotalAmount среди всех заказов?

A) SELECT CustomerID, MAX(TotalAmount) FROM OrdersB) SELECT CustomerID, TotalAmount FROM Orders WHERE TotalAmount = MAX(TotalAmount)C) SELECT CustomerID, TotalAmount FROM Orders WHERE TotalAmount = (SELECT MAX(TotalAmount) FROM Orders)D) SELECT CustomerID, MAX(TotalAmount) FROM Orders GROUP BY CustomerID

BY SQL для тестировщика

Warning: Undefined variable $i in /var/www/tg-me/post.php on line 283

Share with your friend now:
tg-me.com/sql_for_qa/108

SQL для тестировщика Telegram | DID YOU KNOW?

That strategy is the acquisition of a value-priced company by a growth company. Using the growth company's higher-priced stock for the acquisition can produce outsized revenue and earnings growth. Even better is the use of cash, particularly in a growth period when financial aggressiveness is accepted and even positively viewed.he key public rationale behind this strategy is synergy - the 1+1=3 view. In many cases, synergy does occur and is valuable. However, in other cases, particularly as the strategy gains popularity, it doesn't. Joining two different organizations, workforces and cultures is a challenge. Simply putting two separate organizations together necessarily creates disruptions and conflicts that can undermine both operations.

What is Telegram?

Telegram’s stand out feature is its encryption scheme that keeps messages and media secure in transit. The scheme is known as MTProto and is based on 256-bit AES encryption, RSA encryption, and Diffie-Hellman key exchange. The result of this complicated and technical-sounding jargon? A messaging service that claims to keep your data safe.Why do we say claims? When dealing with security, you always want to leave room for scrutiny, and a few cryptography experts have criticized the system. Overall, any level of encryption is better than none, but a level of discretion should always be observed with any online connected system, even Telegram.