CIS 515 STUDY Learn Do Live /cis515study.com CIS 515 STUDY Learn Do Live /cis515study.com | Page 18

• Job (JobID, JobDescription)
• Customer (CustomerID, CustomerName, CustomerAddress,
CustomerPhone)
Write a three to four (3-4) page paper in which you:
1. Create a data dictionary that includes the following:
1. A description of the content for each field
2. The data type of each field
3. The format the data will be stored as in the field
4. The range of value for the field
5. A label, as required, if the attribute is a primary key or foreign key
Note: An example is shown in Table 7.3 in chapter 7 of the textbook.
2. Imagine that you are asked to identify the number of days that exist
between the first invoice and last invoice for each month and complete
the following:
1. Construct a query that will show the number of days that exist
between the first invoice and last invoice, for each month, for each
employee, using the DATEDIFF function. Be sure to provide the SQL
script that will carry out this function.
2. Construct a query to show the expected payment date if invoices are
due within 30 days of transaction.
3. Construct a query that will show distinct area codes of the
customers.
3. Create a plan of the necessary activities that would be required to
implement a valid database design process by including the following: