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Question
For years, QuickTax, Inc. has helped small businesses manage their taxes. The management wants a database to keep track of clients, employees, and jobs. Managers need to keep track of client names, addresses, contact persons, phone numbers, and email addresses. They also need to track the employee's social security numbers, names, and birth dates. Also, the company needs to be able to keep track of the data on each job an employee performs for each of their clients.
In Oracle, the script line used to define the foreign key for the job table in the relationship with the client table would be which of the following?
a) Email char(30) refers to client(email)
b) Jobid Number refers to client(jobid)
c) Email char(30) references client(email)
d) Email char(30) links to client(email)
Answer
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