MODERN DATABASE MGMT.(PEARSON CHANNEL)
13th Edition
ISBN: 9780136709299
Author: Hoffer
Publisher: PEARSON
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Chapter 9, Problem 9.35PAE
Program Plan Intro
To draw:
A single table format that will contain the non-redundant data from the given three tables.
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Students have asked these similar questions
Question 3 refers to two data tables giving the details of a company's employees and
company's job titles, called EMP and JOB respectively, which have the following format:
Table EMP
Column type
Integer
Up to 10
characters
Column name
Example entry
Description
Employee ID number
Employee surname
EMPNO
7369
ENAME
SMITH
Integer
Integer
Employee's job title No
ID no. of employee's
JOBNO
10
MGR
7566
manager
Date employment started
Monthly salary
HIREDATE
Date
17/12/1980
SAL
Integer
1600
Table JOB
Column type
Integer
Up to 15
characters
Column name
Example entry
Description
job title No
Employee's job title
JOBNO
10
JOB TITLE
SALESMAN
b) Using EMP and JOB tables, give an example of the JOIN SQL statement which
uses "WHERE", "GROUP BY", “HAVING" and “ORDER BY" clauses. Explain the
result table of the SQL statement. (Maximum 300 words).
48
Refer to the given tables.
Salesperson Salesperson Commission Year of Department Manager
Number
Percentage
Product
Number
SALESPERSON table
Salesperson
Number
PRODUCT table
QUANTITY table
Frdig
Quantity
Which feature of the tables makes it clear that they are in second normal form?
Each non-key attribute is fully functionally dependent on the key of that table.
O The tables are completely free of data redundancy.
Each non-key attribute functions completely independently of the key of that table.
O The tables are dependent on one another in descending order.
Jh
Closely examine the following tables and use it to answer the questions that follow:
department
course
student_type
student_category
Student
registration
registration_type
Suppose that the following are true:
- all id column are primary keys in whichever table they are
- the dept_id in course table is foreign key that is referencing the id column in the department table
- the foreign keys stud_type_id, stud_cat_id in the student table are referencing the id columns
in the student_type and student_category tables respectively.
- the coursecode and stud_id columns in the registration table are foreign keys in the course
and student tables respectively.
1. Design an Entity Relationship Diagram for the system above.
2. Write query that would return the names and contacts of all Local students.
3. Write a query that would return names, contact and locations of all departments that has a
location text with Ave 3 as part of it. [hint: use the LIKE clause with “_” or “%”]
4. What would…
Chapter 9 Solutions
MODERN DATABASE MGMT.(PEARSON CHANNEL)
Ch. 9 - Prob. 9.1RQCh. 9 - Prob. 9.2RQCh. 9 - Prob. 9.3RQCh. 9 - List the five major trends that necessitate data...Ch. 9 - Prob. 9.5RQCh. 9 - Prob. 9.6RQCh. 9 - Prob. 9.7RQCh. 9 - Prob. 9.8RQCh. 9 - Prob. 9.9RQCh. 9 - Prob. 9.10RQ
Ch. 9 - List four objectives of derived data.Ch. 9 - Prob. 9.12RQCh. 9 - Prob. 9.13RQCh. 9 - Explain the pros and cons of logical data marts.Ch. 9 - Prob. 9.15RQCh. 9 - What is a helper table, and why is it often used...Ch. 9 - Describe the characteristics of a surrogate key as...Ch. 9 - Prob. 9.18RQCh. 9 - What is the purpose of conformed dimensions for...Ch. 9 - Prob. 9.20RQCh. 9 - Prob. 9.21RQCh. 9 - Prob. 9.22RQCh. 9 - Prob. 9.23RQCh. 9 - Prob. 9.24RQCh. 9 - Prob. 9.25RQCh. 9 - Describe the current key trends in data...Ch. 9 - Discuss the benefits of offering data warehousing...Ch. 9 - Prob. 9.28RQCh. 9 - List six typical characteristics of reconciled...Ch. 9 - Prob. 9.30RQCh. 9 - Prob. 9.31RQCh. 9 - Prob. 9.32RQCh. 9 - Prob. 9.33RQCh. 9 - Describe some field-level and record-level data...Ch. 9 - Prob. 9.35PAECh. 9 - Prob. 9.36PAECh. 9 - Prob. 9.37PAECh. 9 - Prob. 9.38PAECh. 9 - You are to construct a star schema for Simplified...Ch. 9 - Simplified Automobile Insurance Company would like...Ch. 9 - Prob. 9.41PAECh. 9 - Prob. 9.42PAECh. 9 - Prob. 9.43PAECh. 9 - Prob. 9.45PAECh. 9 - Prob. 9.46PAECh. 9 - Prob. 9.47PAECh. 9 - Prob. 9.48PAECh. 9 - Prob. 9.49PAECh. 9 - Prob. 9.50PAECh. 9 - Prob. 9.51PAECh. 9 - Prob. 9.52PAECh. 9 - Prob. 9.53PAECh. 9 - Prob. 9.54PAE
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