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Question: Identify the best data type to use to store the following data in Oracle, in SQL Server, and in Access:
a. The month, day, and year that an employee was hired
b. An employee's Social Security number
c. The department in which an employee works
d. An employee's hourly pay rate
Consider relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Calculate canonical cover for set of functional dependencies (show each step of your derivation with an explanation).
What is the problem with the following statement? 60 + 5 = grade, What is the problem with the following statement? lastName = "smith, What is the assignment operator
What are sequences and indexes in database tables?
a. Discuss the degree to which you believe the Visio diagram reflects the database design. b. Describe any assumptions that you had to make about the business rules to in order to create the Visio diagram and the associated relationships.
What patient resides in California? What is the patient number?Who is Sofia Yakaria Pallares' provider? What credentials does her provider have?What patient was seen on November 5, 2010? What is the patient's date of birth?What date and time did pati..
He wants to create an Excel workbook that reports the monthly production at the five sites, including the monthly average, minimum, and maximum production and total production for the previous year.
List the names of any pair of boats that have the same type. For example, one pair would be Anderson II and Escape, because the boat type for both boats is Sprite 4000.
Describe at least three web server vulnerabilities and how they are typically exploited. Provide unique answers here, posting early will help.
Create a company and choose a product. Use the SDLC to define an ES system that integrates TWO of the process for this product. Identified above works with the current and future system users to define and model the current business processes in det..
What are triggers used for, and why are they important in database systems? Provide an example of a situation where a trigger would be appropriate.
1. what a query execution plan?2. discuss the reasons for converting sql queries into relational algebra queries before
What is the difference between relational database management systems and object-oriented database management systems? What is the difference between a procedure-driven and an event-driven strategy for controlling anapplication
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