Database implementation involves using ________ to implement the database model as an actual database
A) Front-end applications
B) DBMS
C) Database system
D) Indirect interaction
B
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Systematic sampling is different from simple random sampling in that only the permissible samples of size n that can be drawn have a known and equal probability of selection. The remaining samples of size n have zero probability of being selected
Indicate whether the statement is true or false
Marcia is giving a presentation at work. She decides to omit a reference to a popular TV show from the 1970s because she thinks some people in her audience may not be familiar with it. Which demographic information was Marcia most likely considering when she made this decision?
a. age b. gender c. religion d. marital status
The spiral model uses a linear approach for project definition and implementation
Indicate whether the statement is true or false
Arnold who worked for the Clean Corporation sold vacuum cleaners house to house. He called on Anna, a single mother on welfare with five children. Convinced by Arnold's sales presentation Anna signed a sales contract to purchase a vacuum cleaner. While the contract stated the price of $600 payable in weekly installments, there were hidden charges (fine print) covering insurance and a service
contract for one year bringing the total to $900 . After paying in $300, a neighbor pointed out the hidden charges to Anna who then stopped payments at the suggestion of Legal Aid under the theory of a. fraud. b. duress. c. misrepresentation. d. unconscionability.