A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Textbook Question
Chapter 2, Problem 13RQ
Define second normal form. What types of problems might you encounter using tables that are not in second normal form?
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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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- Using tables named T1 and T2, write a query example for each of the three join types you described in Question 2. Assume that T1 and T2 share a common column named Cl.arrow_forwardWhen part of the data in a table depends on a field in the table that isn’t the table’s primary key, it’s known as: transitive dependency partial dependency psychological dependency a foreign keyarrow_forwardExactly how many global descriptor tables are there?arrow_forward
- The one-to-many relationship between two tables is made by including the primary key from one table into the other, thus making it a: (SELECT ONLY ONE ANSWER) A)Compound key B) Foreign key C) Important key D)Primary keyarrow_forwardWhen two tables may be joined using the union operation.arrow_forwardDefine table adapterarrow_forward
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SQL Basics for Beginners | Learn SQL | SQL Tutorial for Beginners | Edureka; Author: edureka;https://www.youtube.com/watch?v=zbMHLJ0dY4w;License: Standard YouTube License, CC-BY