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Advantages of Deductive Database Languages

· The database may hold some information as rules rather than tables (eg the 'forebear' relation we used in examples

· Only need one language. RDBMS often use two languages, COBOL to code the program, and another language to interface with the user (SQL).

· May do complicated analysis of data

Disadvantage

· Less efficient

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5 What advantage is there to using algebraic equations instead of numerical values when defining the dimensions of a CAD model?

Using algebraic equations allows for greater flexibility and scalability in defining the dimensions of a CAD model. By using variables instead of fixed numerical values, the model can be easily adjusted and adapted to different sizes or configurations without having to manually change each individual dimension. Additionally, algebraic equations enable parametric modeling, where changes to one dimension automatically update all related dimensions, saving time and reducing errors in the design process.


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How do you value an option?

Options are valued using a theoretical model known as the "Black Scholes Model". The black scholes model prices options based on what are known as "Greeks", which are mathematical parameters of variables that influences the price of an option. However, this is a theoretical model because it cannot take into consideration the actual supply and demand of an option in the market and such forces does take the price of an option away from their theoretical value.


How are options priced?

Options are priced using a theoretical model known as a "Black Scholes Model". The black scholes model price options based on a set of mathematical parameters known as the "greeks" which covers the variables that influence options prices. However, this is only a theoretical model because it cannot take into consideration the actual demand and supply condition of specific options in the market. Actual demand and supply most often move the price of an option away from its theoretical value.


What advantages is there to using algebraic equations instead of numerical values when defining the dimensions of a CAD model?

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