Which Aggregate Function Is Used to Find the Number of Values

question 56

Multiple Choice

Which aggregate function is used to find the number of values in a field?

• A) Values
• B) Num
• C) Number
• D) Count

---

Definitions:

Lube Zerk

A fitting used on machinery to facilitate greasing of moving parts to reduce friction and wear.

Heavy-Duty Truck

A truck designed for high-load capacity and durability, typically used for commercial purposes, such as hauling goods or construction equipment.

Driveshaft

An assembly of one or more propeller shafts (hollow tubes) connected by universal joints (U-joints) to driven driveline components. In a typical tandem drive highway tractor, driveshafts are used to transmit torque from the transmission and forward differential carrier and between the two differential carriers.

Dynamically Balance

The process of balancing a rotating component while it is in motion to minimize vibrations and ensure smooth operation.