Question: E-R Modeling C. e. Temporary Employment Corporation (TEC) places temporary workers in companies during peak periods. TEC's manager gives you the following description of the

E-R Modeling

E-R Modeling C. e. Temporary Employment

C. e. Temporary Employment Corporation (TEC) places temporary workers in companies during peak periods. TEC's manager gives you the following description of the business Plot ONLY the entities; a. TEC has a file of candidates who are willing to work. NO attributes. b. Each CANDIDATE has 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 a BBA and a Microsoft Network Certification.) TEC also has a list of COMPANYs that request temporaries. d. Each time a COMPANY requests a temporary employee, TEC makes an entry in the OPENING folder. This folder contains an opening number, company name, required qualifications, starting date, anticipated ending date, and hourly pay. Each opening requires only one specific or main qualification. f. When a candidate matches the qualification, (s)he is given the job, and an entry is made in the PLACEMENT Record file. This file contains an opening number, candidate number, total hours worked, and so on. g. TEC uses special codes to describe a candidate's qualifications for an opening. The list of codes includes: The list below helps you to understand the nature of Code Description Qualification, the contents of the list are VALUEs of Qualification [NOT attributes]. SEC-45 Secretarial work, at least 45 words per minute SEC-60 Secretarial work, at least 60 words per minute PRG-PY Programmer, Python Plz pay attention to PRG-C# Programmer, C# hints/instructions DBA-OR Database Administrator, ORACLE DBA-DB2 Database Administrator, DB2 SYS-1 Systems Analyst, level 1 Hint and precaution: do NOT confuse SYS-2 Systems Analyst, level 2 among these concepts - ENTITY, NW Network administrator Attribute, and values of attribute Hint: "TEC" is the background of the story; it is the USER of the database. Based on the hint, does TEC appear in the data model? TEC's management wants to keep track of the following entities: Plz pay attention to hints/instructions COMPANY OPENING QUALIFICATION CANDIDATE PLACEMENT

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