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1- For each table, identify the primary key and the foreign key(s). If a table does not have a foreign key, write None. 2. Do the tables exhibit entity integrity? Answer yes or no, and then explain your answer. 3. 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

1- For each table, identify the primary key and the foreign key(s). If a table does not have a foreign key, write None. 2. Do the tables exhibit entity integrity? Answer yes or no, and then explain your answer. 3. 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

A Guide to SQL
A Guide to SQL
9th Edition
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Philip J. Pratt
Chapter2: Database Design Fundamentals
Section: Chapter Questions
Problem 11RQ
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1- For each table, identify the primary key and the foreign key(s). If a table does not have a foreign key, write None.

2. Do the tables exhibit entity integrity? Answer yes or no, and then explain your answer.

3. 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 P3.1 THE CH03_STORECO DATABASE TABLES Table name: EMPLOYEE EMP_CODE EMP_TITLE EMP_LNAME EMP_FNAME EMP INITIAL EMP_DOB STORE_CODE W 21-May-84 09-Feb-89 02-Oct-81 1 Mr. 2 Ms. 3 Ms. 4 Mrs. 5 Mr. 6 Mr. 7 Mr. 8 Ms. 9 Mr. 10 Mrs. 11 Mr. 12 Mr. 13 Mr. 14 Ms. 15 Mr. 16 Mr. 17 Ms. 18 Mr. 19 Mr. 20 Mr. 21 Ms. Williamson John Ratula Nancy Greenboro Lottie Rumpersfro Jennie Robert Cary Roberto Elizabeth Smith Renselaer Ogallo Johnsson Eindsmar Jones Broderick Washington 1 East 2 West Smith Smith Olenko Archialo Grimaldo Rosenberg Rosten Mckee Baumann Table name: STORE STORE_CODE STORE_NAME 1 Access Junction 2 Database Corner 3 Tuple Charge 4 Attribute Alley 5 Primary Key Point Table name: REGION REGION_CODE REGION_DESCRIPT Jack Rose Tom Alan Peter Sherry Howard Barry Jeanine Andrew Peter Robert Jennifer RSLAS 986783.22 944568.56 2930098.45 W R Y N H U V K D F S A Database name: Ch03_StoreCo 01-Jun-91 23-Nov-79 25-Dec-85 31-Jul-82 10-Sep-88 19-Apr-75 06-Mar-86 21-Oct-92 08-Sep-94 25-Aug-84 25-May-86 24-May-84 03-Sep-80 12-Nov-90 STORE_YTD_SALES REGION_CODE EMP_CODE 1003455.76 1421987.39 24-Jan-91 03-Oct-88 06-Mar-90 11-Dec-94 2 2 1 2 1 82 12 7 35 15 3 2 4 5 3 1 3 1 2 4 3 2 3 4 5 5 4 4 4 1 3
Transcribed Image Text:FIGURE P3.1 THE CH03_STORECO DATABASE TABLES Table name: EMPLOYEE EMP_CODE EMP_TITLE EMP_LNAME EMP_FNAME EMP INITIAL EMP_DOB STORE_CODE W 21-May-84 09-Feb-89 02-Oct-81 1 Mr. 2 Ms. 3 Ms. 4 Mrs. 5 Mr. 6 Mr. 7 Mr. 8 Ms. 9 Mr. 10 Mrs. 11 Mr. 12 Mr. 13 Mr. 14 Ms. 15 Mr. 16 Mr. 17 Ms. 18 Mr. 19 Mr. 20 Mr. 21 Ms. Williamson John Ratula Nancy Greenboro Lottie Rumpersfro Jennie Robert Cary Roberto Elizabeth Smith Renselaer Ogallo Johnsson Eindsmar Jones Broderick Washington 1 East 2 West Smith Smith Olenko Archialo Grimaldo Rosenberg Rosten Mckee Baumann Table name: STORE STORE_CODE STORE_NAME 1 Access Junction 2 Database Corner 3 Tuple Charge 4 Attribute Alley 5 Primary Key Point Table name: REGION REGION_CODE REGION_DESCRIPT Jack Rose Tom Alan Peter Sherry Howard Barry Jeanine Andrew Peter Robert Jennifer RSLAS 986783.22 944568.56 2930098.45 W R Y N H U V K D F S A Database name: Ch03_StoreCo 01-Jun-91 23-Nov-79 25-Dec-85 31-Jul-82 10-Sep-88 19-Apr-75 06-Mar-86 21-Oct-92 08-Sep-94 25-Aug-84 25-May-86 24-May-84 03-Sep-80 12-Nov-90 STORE_YTD_SALES REGION_CODE EMP_CODE 1003455.76 1421987.39 24-Jan-91 03-Oct-88 06-Mar-90 11-Dec-94 2 2 1 2 1 82 12 7 35 15 3 2 4 5 3 1 3 1 2 4 3 2 3 4 5 5 4 4 4 1 3
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