In doing so, identify the principal ways in which applications and the supporting infrastructure have changed, the factors driving this change, the challenges that have arisen, and the solutions that have evolved to meet the challenges. The following is an abbreviated description of the business. TEMP keeps files of candidates who have applied for temporary employment, which includes their name, SSN, address, work and home phone numbers, a list of reference names and telephone numbers, and the date on which they submitted an application. With each file, TEMP records their qualifications. A candidate can have several qualifications.
TEMP also maintains data on available positions.
Each opening may have several qualifications associated with it. TEMP keeps track of the history of an individual's employment through them. The job history also includes a reference to the job opening that the individual's employment filled. Draw an entity-relationship diagram for this scenario, including entities, attributes, and relationships with cardinality indicators. If you need to make assumptions, please do so and write them down.