Examlex
In an E-R model,the three types of maximum cardinality are 1:1,1:N,and N:M.
Consumer Surplus
The difference between the total amount that consumers are willing and able to pay for a good or service and the total amount that they do pay.
Net Social Gain
The overall benefit to society from an economic transaction or policy, taking into account both benefits and costs.
Monopoly
A monopoly is a market structure where a single firm has exclusive control over the market supply of a product or service, often leading to higher prices for consumers.
Megawatts
A unit of power equal to one million watts, often used to describe the output capacity of power plants or the amount of electricity required by large entities.
Q1: To create a new MySQL Workbench EER
Q3: Describe the two ways that semantic object
Q11: To represent a multivalued attribute in an
Q12: In IDEF1X,the two kinds of domains are
Q14: There is no good SQL command that
Q22: Because of the need to know the
Q49: A default value is the value the
Q73: When examining data values as a part
Q89: MySQL indexes can be created by using
Q91: Users log into MySQL Workbench using the