Change the percent to a decimal.
Fill in the blank(s) with the appropriate word(s).
0.0059
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Typically, a good ____ will describe the entire set of product or service functions in enough detail that their requirement will be unambiguous.
A. RFP B. procurement standard C. procurement reference D. procurement contract
Consider the following schema, where the keys are underlined:
``` Employee(SSN, Name,Dept) Project(SSN,PID,Name,Budget) ``` The SSN attribute in Project is the Id of the employee working on the project, and PID is the Id of the project. There can be several employees per project, but the functional dependency PID ? Name,Budget holds (so the relation is not normalized). Consider the query ``` SELECT P.Budget, P.Name, E.Name FROM Employee E, Project P WHERE E.SSN = P.SSN AND P.Budget > 99 AND E.Name = ’John’ ORDER BY P.Budget ``` Assume the following statistical information: 1. 10,000 tuples in Employee relation 2. 20,000 tuples in Project relation 3. 40 tuples per page in each relation 4. 10-page bu?er 5. 1000 di?erent values for E.Name 6. The domain of Budget consists of integers in the range of 1 to 100 7. Indices – Employee relation On Name: Unclustered, hash On SSN: Clustered, 3-level B+ tree – Project relation On SSN: Unclustered, hash On Budget: Clustered, 2-level B+ tree a. Draw the fully pushed query tree. b. Find the “best” execution plan and the second-best plan. What is the cost of each? Explain how you arrived at your costs.
Which of the following is a good example of a situation in which more than one master slide could be used?
A) A presentation in which a few slides need a different background B) A presentation that contains a hyperlink to a Photo Album C) A presentation with an accounting segment and a human resource segment D) a presentation of all pictures
All shareware software is written to conform to industry-wide program development standards and is compatible with other software on the platforms for which it was developed.
Answer the following statement true (T) or false (F)