Database Concepts (7th Edition)
7th Edition
ISBN: 9780133544626
Author: David M. Kroenke, David J. Auer
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 2.38E
Apply the normalization process to the Veterinary Office List—Version One relation shown in Figure 1-34 (see page 63) to develop a set of normalized relations, Show the results of each of the steps in the normalization process.
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Table 1 is the Sales table, which is an unnormalized table. The description of the Sales table are SNUM = salesman number, CNUM = customer number, WNUM = warehouse number, SAMOUNT = sale amount, etc.
a.)Write down four functional dependencies (FDs) that are valid in the Sales table
b.)Write down the Sales table's normalization result that is in the 2NF, but not in the 3NF.Explain why the table is not in the 3NF.
convert it to relations that are normalization
Normalize the following given data to 1/2/3 NF. State the relations schema after everynormalization.
Chapter 2 Solutions
Database Concepts (7th Edition)
Ch. 2 - Prob. 2.1RQCh. 2 - Define the term entity, and give an example of an...Ch. 2 - Prob. 2.3RQCh. 2 - Prob. 2.4RQCh. 2 - Prob. 2.5RQCh. 2 - Prob. 2.6RQCh. 2 - Prob. 2.7RQCh. 2 - Prob. 2.8RQCh. 2 - Prob. 2.9RQCh. 2 - Define the term unique key and give an example.
Ch. 2 - Prob. 2.11RQCh. 2 - Prob. 2.12RQCh. 2 - Prob. 2.13RQCh. 2 - Describe four uses of a primary key.Ch. 2 - Prob. 2.15RQCh. 2 - Prob. 2.16RQCh. 2 - Prob. 2.17RQCh. 2 - Explain the term foreign key, and give an example.Ch. 2 - Prob. 2.19RQCh. 2 - Prob. 2.20RQCh. 2 - Explain three possible interpretations of a null...Ch. 2 - Give an example of a null value (other than one...Ch. 2 - Prob. 2.23RQCh. 2 - Prob. 2.24RQCh. 2 - Prob. 2.25RQCh. 2 - Prob. 2.26RQCh. 2 - Prob. 2.27RQCh. 2 - Define the term primary key in terms of functional...Ch. 2 - Prob. 2.31RQCh. 2 - Examine the data in the Veterinary Office...Ch. 2 - Prob. 2.33RQCh. 2 - Describe a modification problem that occurs when...Ch. 2 - Prob. 2.35RQCh. 2 - Prob. 2.36RQCh. 2 - Prob. 2.37RQCh. 2 - Apply the normalization process to the Veterinary...Ch. 2 - Prob. 2.39ECh. 2 - Prob. 2.40E
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- NORMALIZATION EXERCISE Based on the given relation schema below, perform normalization up to 3NF. Write your answer in below space ORDER (Order_ID,Date,Cust_ID,Cust_Name,State,City,ItemNO,ItemDescription,ItemPrice,Quantity) 1NF 2NF 3NFarrow_forwardConvert the table above to a relation in first normal form. Illustrate the relation with the sample data in the table.arrow_forwardIf you assume that a relation has no duplicate data, how do you know there is always at least one primary key?arrow_forward
- Decompose the above relation using the Boyce-code normal form decomposition. What is the key relation for the relation Rarrow_forwardAssignment III (5%): Design of the conceptual model (ERD) from the given relational database. (Note: students has to give appropriate labels on relationships and type of relationships between the entities) Use the same Assignment- I schema to perform the PL/SQL programs Q1. The management of the organization has decided to increase the salaries of all employees to 15% for this, write a PL/SQL block to accept the employee number and to update the salary of that employee. Display the output based on the existing records of the employees. (2 marks) Q2. having the employee age above 40 years. (2 marks) Create a PL/SQL a cursor program that will increase the employee salary to 25% who are Q3. where place belongs to Ibri, dunk or Yanul (hint: Project (projectID. projectName, place, start Year, end Year, #DepartmentID) (2 marks) Write a PL/SQL procedure to change the name of the project to "AL Dahariyah Projects"arrow_forwardConvert this table to a relation in first normal form by entering appropriate data in the table. What are the determinants in this relation?arrow_forward
- Explain the concept of functional dependencies in the context of normalization.arrow_forwardWrite at least 3 functional dependency from the tablearrow_forwardWrite relation algebra for following:Student( Enrno, name, courseId, emailId, cellno)Course(courseId, course_nm, duration)i) Add a column city in student table.ii) Find out list of students who have enrolled in “computer” course.iii) List name of all courses with their duration.iv) List name of all students start with “a”.v) List email Id and cell no of all mechanical engineering students.arrow_forward
- Using relation below y=y+pow(-x,i)/factorial(i) ;arrow_forwardwhich rules apply to desigining table with less redundancy? a) Binary Relationship b) Reflective Relationship c) Weak entity d) Normal formarrow_forwardUsing Normalization technique decompose the above un normalized relation to reach the 3NF, clearly showing all the steps involved to reach each Normal Form (NF). CustNo, CustName, Addr, SuppNo, SuppName, SuppTel, (ordNo, orderDesc, QtyOrdrd)arrow_forward
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