Examlex
Connectivities and cardinalities are established by concise statements known as business rules.
Nonrivalry
A property of goods where one person's consumption does not prevent consumption by others, typically relevant in the context of public goods.
Nonexcludability
Nonexcludability is a feature of public goods where it is not possible to prevent individuals from consuming the good, irrespective of whether they have contributed to its provision.
Public Goods
Goods that are non-excludable and non-rivalrous, meaning no one can be effectively excluded from use and use by one does not reduce availability to others.
Optimal Quantity
The amount of a good or service that yields the highest net benefit to producers and consumers, considering costs and benefits.
Q24: According to the "preferably single-attribute" characteristic of
Q26: Explain user requirements gathering as part of
Q33: A weak entity in a strong identifying
Q33: The advent of very sophisticated application generators
Q45: Periodicity, usually expressed as current year only,
Q62: When using an optimistic approach, a transaction
Q63: A _ is the primary key of
Q67: When using an optimistic approach, during the
Q69: _, also known as RESTRICT, yields values
Q71: Some very specialized applications may require normalization