In Order for Two Queries to Be UNION-Compatible,they Must

question 69

Multiple Choice

In order for two queries to be UNION-compatible,they must:

• A) both have the same number of lines in their SQL statements.
• B) both output compatible data types for each column and return the same number of rows.
• C) both return at least one row.
• D) all of the above.

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Definitions:

Equilibrium Conditions

A state in a market where the quantity of a good supplied equals the quantity demanded, resulting in market stability and no pressure for price changes.

Supply Curve

A graphical representation that shows the relationship between the price of a good or service and the quantity that suppliers are willing to offer for sale over a given period.

Capital Flow

The movement of money for the purpose of investment, trade, or business production.

Zero-Profit Equilibrium

A market condition where firms earn just enough revenue to cover their total costs, resulting in no economic profit.