Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 13, Problem 14RQ
Program Plan Intro
Star Schema:
- Star schema is used in
database with multiple dimensions. - The star schema is very parallel to the snowflake schema.
- A schema in which different tables are related to fact table, with the help of foreign key or primary key is known as star schema.
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Chapter 13 Solutions
Database Systems: Design, Implementation, & Management
Ch. 13 - Prob. 1RQCh. 13 - Prob. 2RQCh. 13 - Prob. 3RQCh. 13 - Prob. 4RQCh. 13 - Prob. 5RQCh. 13 - What is a data warehouse, and what are its main...Ch. 13 - Prob. 7RQCh. 13 - Prob. 8RQCh. 13 - Prob. 9RQCh. 13 - Prob. 10RQ
Ch. 13 - Prob. 11RQCh. 13 - Prob. 12RQCh. 13 - Prob. 13RQCh. 13 - Prob. 14RQCh. 13 - Prob. 15RQCh. 13 - Prob. 16RQCh. 13 - Prob. 17RQCh. 13 - Prob. 18RQCh. 13 - Prob. 19RQCh. 13 - Prob. 21RQCh. 13 - Prob. 22RQCh. 13 - Prob. 23RQCh. 13 - Prob. 24RQCh. 13 - Prob. 25RQCh. 13 - What is the SQL command to list the total sales by...Ch. 13 - What is the SQL command to list the total sales by...Ch. 13 - What is the SQL command to list the total sales by...Ch. 13 - What is the SQL command to list the total sales by...Ch. 13 - What is the SQL command to list the number of...Ch. 13 - What is the SQL command to list the number of...Ch. 13 - What is the SQL command to list the number of...Ch. 13 - Using the answer to Problem 10 as your base, what...
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- A logical data flow diagram differs from a physically structured data flow diagram in that it shows the flow of data logically. A data warehouse's most critical component, what is MetaData? What makes it so important?arrow_forwardWhat are the differences between the two in terms of data flow diagrams? The most important part of a data warehouse is meta data, but why?arrow_forwardWhen you plan out your data processing system, which of these two kinds of flow diagrams should you employ? Just what makes MetaData the most vital component of a data warehouse?arrow_forward
- Direct connections between the database and external entities are not allowed. This is one of the design ideas for data flow diagrams to take into account. What is implied by this advice?arrow_forwardWhat are the key differences between beginning a data modeling project using a packaged data model and starting from scratch?arrow_forwardDescribe the concept of denormalization in data modeling. When and why would you denormalize a database, and what are the trade-offs involved in this process?arrow_forward
- This article will explain the differences between the two types of data flow charts. Data warehouses can't function without MetaData, so what makes it so essential?arrow_forwardDescribe the general guidelines for structuring data-entry fields. Can you think of any instances when it would be appropriate toviolate these guidelines?arrow_forwardWhat are the pros and cons of beginning a data modelling project using a packaged data model instead of a blank page?arrow_forward
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