A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Chapter 2, Problem 12RQ
Program Plan Intro
Normalization:
- Normalization refers to the method of representing a
database in the terms of relations, which are in the standard normal forms. - It is organized in a table manner to reduce data redundancy and data dependency.
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Give a concise definition of each of the following: first normal form, second normal form, and third normal form.
What is a higher-order function (also known as a functional form)? Give three examples.
1. Problem Domain
Chapter 2 Solutions
A Guide to SQL
Ch. 2 - Prob. 1RQCh. 2 - What is an attribute?Ch. 2 - What is a relationship? What is a one-to-many...Ch. 2 - Prob. 4RQCh. 2 - What is a relation?Ch. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - How do you qualify the name of a field, and when...Ch. 2 - Prob. 9RQCh. 2 - What is a primary key? What is the primary key for...
Ch. 2 - Prob. 11RQCh. 2 - Prob. 12RQCh. 2 - Define second normal form. What types of problems...Ch. 2 - Define third normal form. What types of problems...Ch. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - List the changes you would need to make to your...Ch. 2 - Prob. 1TDCh. 2 - Prob. 2TDCh. 2 - Prob. 3TDCh. 2 - Prob. 4TDCh. 2 - Prob. 5TDCh. 2 - Prob. 1CATCh. 2 - Identify the functional dependencies in the...Ch. 2 - Prob. 3CATCh. 2 - Determine the functional dependencies that exist...Ch. 2 - Prob. 2SCGCh. 2 - Prob. 3SCG
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- Discuss why relational operators can be used with enumeration types. Provide at least 2 examples of relational expressions with enumeration types. Explain your examplesarrow_forwardCan you recognize the difference between linear and non-linear data structures?arrow_forwardDescribe the advantages of the first normal form (1NF) and the conditions that must be met to achieve it.arrow_forward
- 3. Write the difference between structure and union. Also discuss a scenario where using aunion will be more appropriate with explanationarrow_forwardWhat is the trivial update problem in functional programming?arrow_forwardStructure data-entry fields in accordance with the following rules: Can you conceive of any situations in which these rules should be flouted?arrow_forward
- Explain by giving an example of variable types.arrow_forwardA strongly-typed data type implementation supports strongly-typed data, whereas a loosely-typed data type implementation supports loosely-typed data.arrow_forwardSubject Discrete Structures Select two interesting and original positive numbers n and r2. with r < n.arrow_forward
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