BuyFind

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482
BuyFind

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482

Solutions

Chapter 3, Problem 4RQ
Textbook Problem

What are the requirements that two relations must satisfy to be considered union-compatible?

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Chapter 3 Solutions

Database Systems: Design, Implementation, & Management
Ch. 3 - Create the basic ERD for the database shown in...Ch. 3 - Create the relational diagram for the database...Ch. 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 - Suppose you have the ERD shown in Figure Q3.18....Ch. 3 - What are homonyms and synonyms, and why should...Ch. 3 - How would you implement a l:M relationship in a...Ch. 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 - Suppose you wanted quick lookup capability to get...Ch. 3 - What would be the conceptual view of the INDEX...Ch. 3 - For each table, identify the primary key and the...Ch. 3 - Do the tables exhibit entity integrity? Answer yes...Ch. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Describe the type(s) of relationship(s) between...Ch. 3 - Create the ERD to show the relationship between...Ch. 3 - Create the relational diagram to show the...Ch. 3 - Describe the type(s) of relationship(s) between...Ch. 3 - Create the ERD to show the relationships among...Ch. 3 - Create the relational diagram to show the...Ch. 3 - For each table in the database, identify the...Ch. 3 - Create the ERD to show the relationship between...Ch. 3 - Create the relational diagram to show the...Ch. 3 - Do the tables exhibit entity integrity? Answer yes...Ch. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Create the ERD to show the relationships among...Ch. 3 - Create the relational diagram to show the...Ch. 3 - For each table, identify the primary key and the...Ch. 3 - Do the tables exhibit entity integrity? Answer yes...Ch. 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 - Create the ERD for this database. FIGURE P3.17 THE...Ch. 3 - Create the relational diagram for this database....Ch. 3 - For each table, identify each of the following...Ch. 3 - Create the ERD. (Hint: Look at the table contents....Ch. 3 - Create the relational diagram. FIGURE P3.24 THE...Ch. 3 - Modify the ERD you created in Problem 25 to...Ch. 3 - Create the relational diagram for the design you...Ch. 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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