Database Concepts (8th Edition)
8th Edition
ISBN: 9780134601533
Author: David M. Kroenke, David J. Auer, Scott L. Vandenberg, Robert C. Yoder
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 1.12RQ
Show how the tables you created for question 1.11 solve the problems you described in question 1.8.
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How to do this? I mean formula
Create a Vlookup Table for Children. Give it a name and use that to create a new column Size of Family
0 "No Children"
2 or less "Small"
3 or more "Big"
Three columns and 20 rows make up 'game1' and 15 rows make up 'game2' in this example. Both tables have five rows in common. What is the table's degree and cardinality if we take union?
Where's question number 15 ?
Chapter 1 Solutions
Database Concepts (8th Edition)
Ch. 1 - Prob. 1.1RQCh. 1 - Prob. 1.2RQCh. 1 - Prob. 1.3RQCh. 1 - Why is the study of database technology important?Ch. 1 - Prob. 1.5RQCh. 1 - Describe the purpose of a database.Ch. 1 - Prob. 1.7RQCh. 1 - Prob. 1.8RQCh. 1 - Prob. 1.9RQCh. 1 - Prob. 1.10RQ
Ch. 1 - Break the list in Figure 1-34 into two tables,...Ch. 1 - Show how the tables you created for question 1.11...Ch. 1 - Prob. 1.13RQCh. 1 - Prob. 1.14RQCh. 1 - Break the list in Figure 1-35 into tables, each...Ch. 1 - Describe in your own words and illustrate with...Ch. 1 - Prob. 1.18RQCh. 1 - Define the term database.Ch. 1 - Prob. 1.20RQCh. 1 - List the components of a database.Ch. 1 - Prob. 1.22RQCh. 1 - Prob. 1.23RQCh. 1 - Prob. 1.24RQCh. 1 - What is the purpose of a DBMS?Ch. 1 - List the specific functions of a DBMS.Ch. 1 - Define the term referential integrity constraint....Ch. 1 - Prob. 1.28RQCh. 1 - List the functions of a database application.Ch. 1 - Prob. 1.30RQCh. 1 - Prob. 1.31RQCh. 1 - Prob. 1.32RQCh. 1 - Prob. 1.33RQCh. 1 - Prob. 1.34RQCh. 1 - Prob. 1.35RQCh. 1 - Prob. 1.36RQCh. 1 - Prob. 1.37ECh. 1 - Prob. 1.38ECh. 1 - Prob. 1.39E
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- A table called "game1" contains three columns and twenty rows, but "game2" has the same column as game1 (ie 3) and fifteen rows. Both tables have 5 rows in common. What is the degree and cardinality of the resulting table if we take union?arrow_forwardA bridge/joint table is just what it sounds like. What should you do instead? What's wrong with the other person?arrow_forwardWhen is denormalization justified?arrow_forward
- Suppose a school wants to store the data of teachers and the subjects they teach. They create a table that looks like this: Since a teacher can teach more than one subjects, the table can have multiple rows for a same teacher. Apply Second Normal Form on this table. teacher id subject teacher age 401 Maths 34 402 Physics 32 403 Biology 28 404 Physics 30 405 Chemistry 37arrow_forwardState the difference(s) between the Short Table Look up and the Long Table Look up. How do you know which type of table look up you will need?arrow_forwardMinimize the following FA, upload all tables, computations etc as well as an image of the result. For extra credit what regular expression does it represent? G Darrow_forward
- What is the result of the following query - in a table -arrow_forwardQ1: Explain result of questions below when you have library schema as described in the tables. (Answer five only) Book tb BOOK idTR le Author tb BOOK id Author name Publis Henry F Korth Andrew Hun Oliver Theobald Daniel Cohen Anil Kumar her id 9123 9123 Database Systems 254 9124 Software Engineering Machine Learning 9124 191 9125 9125 110 9126 Computer Theory Basic of Digital logic 9126 254 9127 9127 110 Publisher_tb Publisher id name Country phone Address Hachette Livre. Macmillan 254 USA +125862221 191 Germany +48517778 110 Simon & Schuster. USA +125117199 1- Insert into Book tb. 2- Insert jinto Publisher_tb.T 3- Delete the Author Name with Book_id = '9162', 4- insert into Book_tb. 5- Delete the Author Name with Book_id = '9126'. 6- Modify Book_id for Author name 'Andrew Hun' to 9121. 7. Modify Publisher name Macmillan to Mac_millan and Publisher id to 192 with cascaded constraintarrow_forwardFor any spreadsheet that has more than one theme, break up the columns into tables such that each table has a single theme. Add ID columns if necessary, and add a linking column (or columns) to maintain the relationship between the themesarrow_forward
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