Bosire has a simple flat file database. Its table has two fields: name and telephone number. a.

Question:

Bosire has a simple flat file database. Its table has two fields: name and telephone number.

a. Explain why neither field is suitable as a primary key. What field could be added to create a primary key?

b. Why might a user choose to create a flat file database rather than a relational database?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Cambridge IGCSE Computer Science Coursebook

ISBN: 9781107518698

1st Edition

Authors: Sarah Lawrey, Donald Scott

See More Books

Question Posted: Sep 06, 2021 02:33 AM

See More Questions

Write a method called printPostorder that could be added to the IntTree class and that prints a postorder traversal of the tree.
Write a method called printMirror that could be added to the IntTree class and that prints a backward inorder traversal of the tree. That is, for a given node, it examines the right subtree, then the...
Write a method called size that could be added to the IntTree class and that returns the total number of nodes in the tree.
A company acquires the assets and liabilities of another company. The fair value of the acquired companys identifiable net assets is $5,000,000. The acquisition transaction includes the following:...
Illustrate the steps in the scientific method using Rosenbergs discovery of the anticancer activity of cisplatin.
Baseball Card Emporium (BBE) of Lewistown, Pennsylvania, is a distributor of baseball cards to sports card retailers. Its market area encompasses most of Pennsylvania, eastern Ohio, and New Jersey....
Imagine the following scenario: For some time, you have known that you need to shop for a new mattress. You are putting off doing this because you dread the experience. You imagine yourself walking...
A gas-phase decomposition reaction with stoichiometry 2A ? 2B + C follows a second-order rate law (see Problem 11.14): rd [mo1/(m3?s)] = kC2A where CA is the reactant concentration in moUrn3. The...
19. Consider the given arrangement. The two slits S and S are illuminated by monochromatic light of wavelength A. Slits S3 and S4 are at separation d minimum intensity on the screen will be 2.D =...
9. Write the static method hidePicture that takes two pictures (source and secret) and hides the secret in source using the algorithm previously discussed, returning the new picture. Add code to main...
A database stores data in a table called Cars. The table structure includes fields called Colour, Engine Size and Number of Doors. Write an SQL query-by-example which searches for red or blue cars,...
Explain why it is important to give the correct data type to a field.
Hospital Equipment Company (HEC) acquired several MRI machines for its inventory at a cost of $2,300 per machine. HEC usually sells these machines to hospitals at a price of $5,800. HEC also...
Magnolia Company has the following data available for the period: Materials purchased $ 375,000 Direct labor 210,000 Indirect labor 175,000 Depreciation on factory equipment 45,000 Rent on factory...
An investment promises to pay $30,000 p.a. in perpetuity beginning in 15 years time (t=15). How much is this series of cash flows worth to you in five years time (t=5) assuming an interest rate of...
What Act recognized the private company as the legal form of capital? define this act in your wording.
As the Audio Partners team continues to refine their financial strategies, the planning session has swung from philosophical to practical and back again, and they have some additional questions for...
profit for the year $33,000 and equity is $158,000. what is the return on it. calculate it and find the return.
Give the product of each of the following reactions: a. b. c. d. e. CH3 CH3 CH3
What are multinational corporations (MNCs) and what economic roles do they play?
Describe an efficient multimap structure for storing n entries that have an associated set of r < n keys that come from a total order. That is, the set of keys is smaller than the number of entries....
The operation get(k) for our multimap ADT is responsible for returning a collection of all values currently associated with key k. Design a variation of binary search for performing this operation on...
Give a concrete implementation of the retainAll method for the set ADT, using only the other fundamental methods of the set. You are to assume that the underlying set implementation uses fail-fast...
A sole trader Blake, operating company ABC has some business losses, and as a result does not have enough money to pay for a supplier. As a result, he invests an additional $ 100,000 on 28 March...
Primary Task Response: Within the Discussion Board area, write 400-600 words that respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future...
Based on the Common-Size Balance Sheet, does Company A or Company B take on more risk in how they finance their assets?

Bosire has a simple flat file database. Its table has two fields: name and telephone number. a.

Question:

Step by Step Answer:

The Facebook application is a software product its an app You can log into it online ...View the full answer

Cambridge IGCSE Computer Science Coursebook

Students also viewed these Computer science questions