What Does It Mean When an Entity Has a Minimum

question 59

Multiple Choice

What does it mean when an entity has a minimum cardinality of zero?

• A) The entity has a mandatory role in the relationship.
• B) The entity is not required in the relationship.
• C) The entity should not be in the relationship as an attribute.
• D) The entity must be listed with all zeros in the data fields.

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Definitions:

Semistrong Form

A form of market efficiency that implies that all publicly available information is already reflected in stock prices, including historical data and public news.

Current Stock Price

This refers to the present value at which a stock is traded on the market.

Weak Form

In finance, a theory suggesting that asset prices fully reflect all information contained in past trading data, meaning past prices and volumes cannot predict future prices.

Security Price

The security price is the current market value at which a particular security (like stocks, bonds) can be bought or sold in the financial markets.