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Draw an ERD for the following situation (Batra et al., 1988).Also, develop the list of words for qualifiers and classes that you use to form attribute names. Explain why youchose the words on your list. Also, draw a data model forthis situation using the tool you have been told to use inyour course. Projects, Inc., is an engineering firm with approximately 500 employees. A database is required to keep track ofall employees, their skills, projects assigned, and depart-ments worked in. Every employee has a unique numberassigned by the firm and is required to store his or hername and date of birth. If an employee is currently mar-ried to another employee of Projects, Inc., the date ofmarriage and who is married to whom must be stored;however, no record of marriage is required if anemployee's spouse is not also an employee. Eachemployee is given a job title (e.g., engineer, secretary,and so on). An employee does only one type of job atany given time, and we only need to retain informationfor an employee's current job
There are 11 different departments, each with aunique name. An employee can report to only 1 department. Each department has a phone number. To procure various kinds of equipment, each department deals with many vendors. A vendor typically sup-plies equipment to many departments. We are required to store the name and address of each vendor and the date of the last meeting between a department and avendor.
lname must be generated at random using specified uniform distributions, i.e., [X, Y] means that some random value between X and Yis chosen for each record by your implementation.
If it is a t test, sketch a normal.probability plot to check the normality of the population.6. State the null and alternative hypothesis.7. Decide on the significance level, alpha.
Suppose two nodes, A and B, are attached to opposite ends of an 800 m cable, and that they each have one frame of 1024 bits (including all headers and preambles) to send to each other.
Describe the details of the working of any practical IDPS (e.g. Snort, Tripwire). Include actual commands and screenshots. Include references and proper citations.
What are some main attributes of product and how may it help operations of organization? How do third-party plug-ins change process of diagnosing and troubleshooting errors in application?
Identify at least 2 things that could be wrong with each of the following elements. Identify how the problem could be discovered and how to fix the problem
Your task is to design a display with three LEDs that has the following four modes of operations: Mode 1: Left to right operation 1 - left LED switches ON and then switches OFF, followed by the middle LED, and then the right LED. This sequence repea..
Write an efficient algorithm for combining two arbitrary-sized heaps into one heap. What is the Big O performance of your algorithm?
Firms that make game systems like Playstation and Nintendo typically charge a price close to average cost on the game system itself, and do not change that price even when the systems are scarce or demand increases. Why might this be a profit-maximiz..
1. Suppose we call rotateWithLeftChild on an arbitrary 2-d tree. Explain in detail all the reasons that the result is no longer a usable 2-d tree. 2. Implement the insertion and range search for the k-d tree. Do not use recursion.
Draw a tree diagram that describes the call setup procedure.
Include a to String method that returns a one-line description of the box. Create a driver class called Box Test, whose main method instantiates and updates several Box objects.
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