Based on the Code Above,find How Many Items Are in Category

question 66

Multiple Choice

Based on the code above,find how many items are in category TOY.​

• A) ​SELECT SUM(*) FROM Item WHERE Category='TOY' ;
• B) ​SELECT COUNT(*) FROM Item WHERE Category='TOY' ;
• C) ​SELECT COUNT FROM Item WHERE Category='TOY' ;
• D) ​SELECT COUNT* FROM Item WHERE Category='TOY' ;

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Definitions:

Elasticity

A measure used in economics to show how much the quantity demanded of a good responds to a change in the price of that good, expressed as a percentage.

Kinked-Demand Curve

A model that suggests prices tend to be rigid or stable because businesses will follow a strategy of matching price increases but not price decreases by competitors.

Price Rigidity

The phenomenon where prices of goods and services do not adjust immediately to changes in supply and demand conditions.

Product Differentiation

The method of differentiating a product or service to appeal more to a specific target audience.