Contents of the ORDERS Table​

question 131

Multiple Choice

Contents of the ORDERS table​

-​Based on the contents of the ORDERS table,which of the following SELECT statements will determine the number of orders placed by each customer?

• A) ​SELECT COUNT(DISTINCT(customer#)) FROM orders;
• B) ​SELECT COUNT(*) FROM orders;
• C) ​SELECT customer#,COUNT(customer#) FROM orders GROUP BY customer#;
• D) ​none of the above

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Definitions:

Sinoatrial Node

A group of cells located in the right atrium of the heart that spontaneously generates electrical impulses, acting as the heart's natural pacemaker.

Heart Rate

The number of heartbeats per minute, a vital sign indicating the heart's activity.

Heart Attack

A medical emergency where the blood supply to the heart is suddenly blocked, causing damage to the heart muscle.

Chest Tube

A medical device inserted into the pleural space of the chest to remove air, fluid, or pus.