Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 2, Problem 7P
Program Plan Intro
Crow’s Foot notation:
In the Crow’s Foot model by the three-pronged crow’s foot to exhibit the “many” side relationship.
- In this notation, “1”is represented as a short line segment.
- “M” is represented as three-pronged crow’s foot.
- The relationship name is represented above the relationship line.
Relational Diagram for Tiny College:
The following figure shows the relational diagram for Tiny College that describes the initial entities and attributes for the college.
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Q1) Draw the Relational Schema for the relationship(s) between EMPLOYEE and STORE.
Convert the M:N relationship below into 1:M relationships. List the relational schema for the entities (you can add attributes to each entity). For each entity, clearly indicate the primary key and foreign key, if any. An author may write several books, and a book may have several authors.
Using the ER diagram for Supplier and Part entities provided (attached here), convert the ERD logical design into a physical database using Microsoft Access.
Make sure that you have to create both tables, then use "Database Tools"/"Relationship" to set a specific relationship type between two entities.
Once you created both tables, type in at least 5 sample records per entity table ( special care needed when you enter sample data in FK field).
Perform a Query to obtain "Supplier_ID", "Supplier_Name", "Part_Num", "Part_Name" data from both entity tables.
Also create a form and report using any entity
Chapter 2 Solutions
Database Systems: Design, Implementation, & Management
Ch. 2 - Prob. 1RQCh. 2 - What is a business rule, and what is its purpose...Ch. 2 - How do you translate business rules into data...Ch. 2 - Prob. 4RQCh. 2 - Explain how the entity relationship (ER) model...Ch. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Prob. 9RQCh. 2 - Prob. 10RQ
Ch. 2 - What is a relationship, and what three types of...Ch. 2 - Give an example of each of the three types of...Ch. 2 - What is a table, and what role does it play in the...Ch. 2 - Prob. 14RQCh. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - Prob. 19RQCh. 2 - Prob. 20RQCh. 2 - Prob. 21RQCh. 2 - Prob. 22RQCh. 2 - Prob. 23RQCh. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Using Figure P2.6 as your guide, work Problems 68....Ch. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Typically, a hospital patient receives medications...Ch. 2 - Prob. 10PCh. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17P
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- Please written by computer source Please answer: What are the functional dependencies in this ERD? Is this correct? The same pair of A entity and B entity can only be associated with the same C entity. Is this correct? The same A entity can only be associated with the same C entity? convert the ERD in the previous question into a relational schema. Mark the primary keys in each table.arrow_forwardUsing the Entity Relationship Diagram you have created, create the tables and insert the values supplied in each table. Make use of MYSQLarrow_forwardConsider the given ER Diagram for Notown database in Figure 2. You have been tasked to recommend that Notown use a relational database system to store company data. Show the Structured Query Language (SQL) statements for creating relations corresponding to the entity sets and relationship sets in your design. Identify any constraints in the ER Diagram that you are unable to capture in the SQL statements and briefly explain why you could not express them.arrow_forward
- Using any application of your choice, create an interactive presentation explaining the differences between various types of relationships between tables in an enterprise relationship diagram (ERD).arrow_forwardTransform the above ER diagram into Relational Schemasarrow_forwardAnswer these questions please. 1-Draw the Relational Schema for the relationship(s) between STORE and REGION. 2-Draw the Relational Schema for the relationship(s) between EMPLOYEE and STORE 3-Draw the Full Entity Relationship diagram showing the relationships among EMPLOYEE, STORE, and REGIONarrow_forward
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