Examlex
Relationships are classified by their cardinality.
Quantity Effect
The change in quantity demanded or supplied as a result of changes in price.
Price Effect
The impact that a change in the price of a good or service has on its demand or supply.
Total Revenue
The total income generated by the sale of goods or services, calculated as the product of the price per unit and the number of units sold.
Price Elasticity
A measure of how much the quantity demanded of a good changes in response to a change in price.
Q6: Explain the concept of semantic objects as
Q7: A row can be uniquely identified by
Q13: An entity whose identifier includes the identifier
Q24: A "hybrid object" is a semantic object
Q32: In Microsoft Visio 2010,clicking the File command
Q36: Dependency graphs are graphical displays like bar
Q51: If you see a column name Notes,it
Q53: In E-R modeling,an attribute describes the characteristics
Q76: In order to make sure the database
Q95: Outer joins can be either up joins