Explain the relationship between the three levels of the data definition language. As a user, which level would you be most interested in?
One level is the schema, which is the conceptual view of the data. The schema describes the entire database and it represents the database logically. The second level is the internal view, which is the physical arrangement of the records. At this level, the data records are described as well as linkages between files. The next level is the subschema, which is the external view of the database that specific users have authorization to use. This is also called the user view and is the level that users find of most interest.
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At a trade show, manufacturers should weed out which type of buyer group because they are not interested in buying and would take up too much of the vendor's time?
A) solution seekers B) buying teams C) education seekers D) reinforcement seekers
Quantitative data can be mapped using correspondence analysis
Indicate whether the statement is true or false
On september 1 their will be an 5% increase on the dental insurance premiums
What will be an ideal response?
Sheena, marketing manager for Yaard-Vark Lawn Tractors, is interested in the relationship between the prices of lawn tractors and the level of sales. To test whether increasing prices will lead to a change in sales and, if so, how much of a change, she should use ________ research.
A. causal B. academic C. random D. descriptive E. exploratory