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periods, Temporary Employment Corporation (TEC) places temporary s. TEC's manager gives you the following deseription of the business: workers in companie TEC has a file
periods, Temporary Employment Corporation (TEC) places temporary s. TEC's manager gives you the following deseription of the business: workers in companie TEC has a file of candidates who are willing to work. If the candidate has worked before, that candidate has a specific job history. (Naturally, no job history exists if the candidate has never worked.) Each time the candidate worked, one additional job history record was created. Each candidate has earned several qualifications. Each qualification may be earned by more than one candidate. (For example, it is possible for more than one candidate to have earned a BBA degree or a Microsoft Network Certification. And clearly, a candidate may have earned both a BBA and a Microsoft Network Certification.) . e TEC also has a list of companies that request temporaries. e Each time a company requests a temporary employee, TEC makes an entry in the Openings folder. That folder contains an opening number, a company name, required qualifications, a starting date, an anticipated ending date, and hourly pay. Each opening requires only one specific or main qualification. When a candidate matches the qualification, (s)he is given the job and an entry is made in the Placement Record folder. That folder contains an opening number, a candidate number, the total hours worked, etc. In addition, an entry is made in the job history for the candidate. An opening can be filed by many candidates, and a candidate can fill many openings. . Given that information, do the following: a. Draw the Crow's Foot ERDs for this enterprise. b. Identify the mandatory/optional dependencies for the relationships. c. Resolve all Many-to-Many relationships
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