A Weak Entity Is a Column or Collection of Columns

question 12

True/False

A weak entity is a column or collection of columns that could have been chosen as a primary key,but was not.​

---

Definitions:

Consumer Demand

The desire of purchasers, consumers, or buyers for products or services which they are willing and able to buy.

Efficient Market

A market in which prices fully reflect available information and adjust quickly to new data.

Opportunity Costs

The cost of foregoing the next best alternative when making a decision or choice.

Post Hoc, Ergo Propter Hoc

A logical fallacy that suggests that because one event followed another, the first event caused the second.