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1. What is the most popular database model?
2. How are primary and foreign keys different?
3. What are the five important software components of a database management system?
4 What are the four major types of data-mining tools? What is a data mart?
DBMS, Programming
Suppose that you have designed a database for Morgan Importing that has the following tables: EMPLOYEE (EmployeeID, LastName, FirstName, Department, Phone, Fax, EmailAddress) STORE (StoreName, City, Country, Phone, Fax, ...
Question : We can sort a given set of n numbers by first building a binary search tree containing these numbers (using TREE-INSERT repeatedly to insert the numbers one by one) and then printing the numbers by an inorder ...
Suppose that we have a table of house prices and a table of zip codes: • hprices(hid (PK),address,bedrooms,price,zipcode) • zipcodes(zipcode (PK),state) Write a SQL query that finds the average, maximum, and minimum pric ...
Question: As explained throughout this course, entity relationship modeling is a critical element of database design. If the database is not properly modeled, it is unlikely that the database will be properly developed. ...
Question: Create an ERD for the following scenario. A small company ABC wants a database to keep track of internal company information. Â Given the following information create an ERD. The ABC Company has several departm ...
Question: Team Project Submission - Submit to the Unit 4 Group Project Area This version of the capstone project assignment is FOR GRADING this week. Submit to the group area the document containing completed Sections On ...
(a) Taking an unnormalised list, describe how you would normalise it using the normal forms technique and show how the result of this method is used. (b) You are currently in the process of developing a RDBMS for a natio ...
Question : Suppose we have two kinds of doctors: hospital doctors and family physicians. In addition to the doctor's id number, name, specialty, and years of experience, we want to record the hospital name for the hospit ...
Football Association of Zambia (FAZ) Super League The FAZ has recently decided to reorganise their operations to support both existing and possibly expanded league operations in Zambia and part of preparation for the 201 ...
SQL Write a SELECT statement that returns one column from the Vendor table named Full Name. Create this column from the VendorContactFName and VendorContactLName columns. Format it as follows: last name, comma, first nam ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As