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1. Describe the concept of the unary one-to-many relationship.
2. How is a unary one-to-many relationship constructed in a relational database?
3. Describe the concept of the unary many-to-many relationship.
4. How is a unary many-to-many relationship constructed in a relational database?
Write a program that keeps names and email addresses in a dictionary as key-value pairs.
Why, then, do we have weak entity sets?
List and explain the stages through which firms progress as they become more sustainable and the motives to become more sustainable. With examples please for each stage.
Identify some characteristics of a good control system.
To communicate one bit of information reliably, cellular phones transmit the same binary symbol five times. Thus the information "zero" is transmitted as 00000 and "one" is 11111. The receiver detects the correct information if three or more binar..
With respect to the WEB and HTTP what does the term stateless mean? Under what circumstances does statelessness pose a problem for database processing?
For a probability distribution over N, N + I, N + 2, ... , where N is a positive integer, express P(X=x) in terms of P(x), in terms of Q(x). Express E(x) in terms of Q(x). Are the formulas independent of N
Suppose a consumer's preferences over goods 1 and 2 are represented by the utility function U(x1, x2) = (x1 + x2)^3. Draw an indifference curve for this consumer and indicate its slope.
Find those employees who earn more than all employees living in the city "Mumbai."
What are the key success factors for an e-commerce business?
When creating classes you have member functions and member variables. What are they and what data types can you use for member variables
Suppose that in order to qualify for the loan, the total monthly amount paid cannot exceed 30 percent of monthly income. What is the minimum monthly income needed to qualify for the loan?
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