Internal efficiency is cited as one reason for separating the data warehouse from the operational database. Explain
The structural and operational requirements of transaction processing and data mining systems are fundamentally different, making it impractical to keep both operational (current) and archive data in the same database. Transaction processing systems need a data structure that supports performance, whereas data mining systems need data organized in a manner that permits broad examination and the detection of underlying trends.
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A discount bond's coupon rate is equal to the annual interest rate divided by the:
a. call price b. current price c. face value d. clean price e. dirty price
When developing a questionnaire, the following guidelines: 1. use positive and negative statements, 2. avoid implicit alternatives, and 3 . avoid leading questions, are used when ________
A) arranging questions in proper order B) choosing question wording C) designing questions to overcome the respondent's inability to answer D) determining the content of individual questions