What are some of the advantages of a well designed relational database?
What will be an ideal response?
The chief advantages of a relational database are flexibility and integrity. A relational database minimizes redundancy improving database integrity. Each piece of data is entered in only one place. Relational databases are flexible allowing any piece of data to be retrieved and compared.
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Customers are serviced at a rate of six customers per hour according to an exponential distribution. What is the probability that customer service will require fewer than 20 minutes?
A) less than or equal to 0.70 B) greater than 0.70 but less than or equal to 0.80 C) greater than 0.80 but less than or equal to 0.90 D) greater than 0.90
Winslow Corporation has many long-term employees. The company has never had a pension plan. Recently, a new management team was hired
The new president said he would like to start a pension plan through which he could reward the long-term service provided by many employees. Which of the following types of plans should Winslow Corporation adopt? A) section 403(b) plan B) section 401(k) plan C) money-purchase plan D) defined benefit plan