Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 3, Problem 19P
Do the tables exhibit referential integrity? Answer yes or no, and then explain your answer. Write NA (Not Applicable) if the table does not have a foreign key.
FIGURE P3.17 THE CH03_TRANSCO
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2. In database lab01, create 4 tables: course, advisor, student, and department (Note: The order of tables below is not proper for creating tables. Please think about which table should be created first)
course (course_id varchar(8), title varchar(50), dept_name varchar(20), credits numeric(2,0), primary key (course_id), foreign key (dept_name) references department (dept_name))
advisor (s_ID varchar(5), i_ID varchar(5), primary key (s_ID), foreign key (s_ID) references student (ID))
student (ID varchar(5), name varchar(20) not null, dept_name varchar(20), tot_cred numeric(3,0), primary key (ID), foreign key (dept_name) references department (dept_name))
department (dept_name varchar(20), building varchar(15), budget numeric(12,2), primary key (dept_name))
. Populate tables (Note: The order of populating table below is not proper. Please think about which table should be populated first)
Populate the table "student" with the data below: ('23121', 'Chavez',…
One of the TAL Distributors database's denormalized tables is as follows: The Customer table is no longer in third normal form due to which column or fields (CustomerNum, CustomerName, Street, City, State, PostalCode, Balance, CreditLimit, RepNum, RepName)? In this example, what is the denormalized table's normal form?
Define the term referential integrity constraint. Give an example of a referential integrity constraint for the tables you created for question 1.8.
Chapter 3 Solutions
Database Systems: Design, Implementation, & Management
Ch. 3 - What is the difference between a database and a...Ch. 3 - Prob. 2RQCh. 3 - Prob. 3RQCh. 3 - What are the requirements that two relations must...Ch. 3 - Which relational algebra operators can be applied...Ch. 3 - Explain why the data dictionary is sometimes...Ch. 3 - A database user manually notes that The file...Ch. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - Prob. 10RQ
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Use Figure Q3.13 to answer Questions 1317. FIGURE...Ch. 3 - Create the table that results from applying a...Ch. 3 - Write the relational algebra formula to apply an...Ch. 3 - Create the table that results from applying an...Ch. 3 - Using the tables in Figure Q3.13, create the table...Ch. 3 - Prob. 18RQCh. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Identify and describe the components of the table...Ch. 3 - Identify the primary keys. FIGURE Q3.22 THE...Ch. 3 - Identify the foreign keys. FIGURE Q3.22 THE...Ch. 3 - Create the ERM. FIGURE Q3.22 THE CH03_THEATER...Ch. 3 - Create the relational diagram to show the...Ch. 3 - Prob. 26RQCh. 3 - What would be the conceptual view of the INDEX...Ch. 3 - Prob. 1PCh. 3 - Prob. 2PCh. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Describe the type(s) of relationship(s) between...Ch. 3 - Prob. 5PCh. 3 - Prob. 6PCh. 3 - Prob. 7PCh. 3 - Prob. 8PCh. 3 - Create the relational diagram to show the...Ch. 3 - Prob. 10PCh. 3 - Prob. 11PCh. 3 - Create the relational diagram to show the...Ch. 3 - Prob. 13PCh. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Prob. 15PCh. 3 - Prob. 16PCh. 3 - For each table, identify the primary key and the...Ch. 3 - Prob. 18PCh. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Identify the TRUCK tables candidate key(s). FIGURE...Ch. 3 - For each table, identify a superkey and a...Ch. 3 - Prob. 22PCh. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Create the ERD. (Hint: Look at the table contents....Ch. 3 - Prob. 26PCh. 3 - Prob. 27PCh. 3 - Prob. 28PCh. 3 - Create the table that would result from applying...Ch. 3 - Create the table that would result from applying...Ch. 3 - Create the table that would result from applying a...
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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
- Delete the OWNER_INDEX 3 index from the OWNER table.arrow_forwardWhat is a primary key? What is the primary key for each of the tables in the Colonial Adventure Tours database shown in Chapter 1?arrow_forwardAn EMPLOYEES table was added to the JustLee Books database to track employee information. Display a list of each employee’s name, job title, and manager’s name. Use column aliases to clearly identify employee and manager name values. Include all employees in the list and sort by manager name.arrow_forward
- Create the table that results from applying an INTERSECT relational operator to the tables shown in Figure Q3.13. FIGURE Q3.13 THE CH03_VENDINGCO DATABASE TABLESarrow_forwardWhat does it mean for two tables to be union compatible?arrow_forwardAssuming that the CUSTOMER table contains a CUST_AGE attribute, write the query to update the values in that attribute. (Hint: Use the results of the previous query.)arrow_forward
- The CUSTOMER table contains a foreign key, REP_NUM, that must match the primary key of the REP table. What type of update(s) to the CUSTOMER table would violate the foreign key constraint?arrow_forwardWrite the SQL code that will change the PROJ_NUM to 14 for employees who were hired before January 1, 1994, and whose job code is at least 501. (You may assume that the table will be restored to its condition preceding this question.)arrow_forwardfor MYSQL Using the ap database, display vendor name, address, and city for vendors that are in Ohio. Order the list by city and for those within the same city, order by vendor name. Complete the following query: SELECT vendor_name, fadd field name here), [add field name here], Jadd field name here] FROM vendors WHERE (add condition here ORDER BY vendor_city, ladd field name here]arrow_forward
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