Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 3, Problem 27RQ
What would be the conceptual view of the INDEX table described in Question 26? Depict the contents of the conceptual INDEX table.
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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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- The ______________ model is a simple but highly useful way to organize data into collections of two-dimensional tables called relations.arrow_forwardWhy do we need to have a point of view in the first place? What do you mean when you say that you have a point of view? There are times when information that has been defined as part of a View Definition does not really show up as a View Description. A view allows users to insert data into a database without having to create a table or row from scratch.arrow_forwardQuestion 3 Consider the following fragment of a database outline: MEMBER (MemberID, FirstName, LastName, Address, Zip, ReferredBy) ReferredBy foreign key to MEMBER Zip foreign key to ZIPCODE ZIPCODE (Zip, City, State) Does this design violate the rules of database? Select the correct answer. 1 pts O Yes, because a table cannot contain a foreign key to itself. O Yes, because the field Referred By needs to be called MemberID. O Yes, because a table with a foreign key to itself cannot contain other foreign keys. O No, the database design is valid.arrow_forward
- Can the answer be done as a diagram and not the code behind the creating of the tables but the actual tables and attributesarrow_forwardMake sure the SQL script file can be run successfully in MySQL and show the outcome of the code on MySQLarrow_forwardIt is essential to discuss the various database table possibilities when dealing with subtype associations.You should first settle on a layout and then talk about the issues that are directly related to that format.arrow_forward
- when would a database designer need to createin a artifical key? a)when no simple or composite primary key exist in a table b) When the primary key is identical to the supertype primary key. c) When there is no single columns key avialable d) When there is an ISA relationship in a tablearrow_forwardIt is essential to discuss the various database table possibilities when dealing with subtype associations.Decide on a format, and then talk on the issues that should be addressed in it.arrow_forwardWrite down the all views of 4+1 View Model with the purpose, stakeholders and wayof representation of each viewsarrow_forward
- When utilizing subtype associations, it is important to discuss the database table options that are available.Decide on the design you want to use and discuss the challenges that arise as a result of it.arrow_forwardA data model is a collection of data description constructs. The main purpose of a data modeling is to assist in the understanding of the meaning (semantics) of the data and facilitate communication about the information requirements. Discuss FIVE (5) evaluation criteria for a good data model. [Hint: As a database designer, you have to interview customers, you are required to include questions you may ask to customers in your answers]arrow_forwardThe various database table choices should be discussed when dealing with subtype associations.Discuss the issues that are relevant to the layout you decide to utilize.arrow_forward
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