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What are the four categories of update anomalies and why could these problems occur when a relation is in first normal form but not in second normal form?
Money Supply
The collective sum of all monetary resources in an economy, including cash, coins, and savings and checking account balances, at a particular time.
Interest Rates
The expense associated with taking out a loan or the profit from an investment, presented as a percentage of the initial amount.
Stock Prices
The cost of purchasing a share in a company, reflecting the company's value and investor expectations about its future profitability.
Aggregate Demand
The all-encompassing demand for goods and services within an economic sphere, calculated at a specific price level during a certain period.
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