Which of the following statements is correct regarding CE (Cardinality Estimation)?

Which key uniquely identifies a row in a table?

Which of the following best describes a composite key?

Costs are a major factor underlying supply curves; anything that affects costs usually shifts the supply curve.

A U.S. company breaks ground on two new fabrication facilities in Arizona for microchip production. This means that the supply of microchips will increase.

Which of the following is a feature of a purely competitive market?

Quantity Demanded Price Quantity Supplied 61 $ 53 82 71 48 71 81 43 60 91 38 51 101 33 42 In this market, equilibrium price and equilibrium quantity are

Give three explanations for the law of demand.

Quantity Demanded Price Quantity Supplied 52 $ 50 73 62 45 62 72 40 51 82 35 42 92 30 33 In this market, a surplus of 21 units would exist at a price of

A increase in the excise tax on gasoline