EP MINDTAPV2.0 FOR CORONEL/MORRIS'S DAT
13th Edition
ISBN: 9780357427866
Author: Coronel
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 2, Problem 1RQ
Program Plan Intro
Data Model:
- Data Model refers to the logical inter relationship and the data flow involved between different data elements.
- It defines how data is processed, connected and stored inside the system.
- A data model can be either concrete or abstract.
- It consists of components such as data types, data items, data sources, event sources, and links.
- The three styles of data model are conceptual data model, physical data model, and logical data model.
Expert Solution & Answer
Explanation of Solution
Importance of Data Models:
- The main function of a data model is that they help to understand complexity of real world environment.
- The data model is used by the
database designer to enhance the interaction among designers, application programmers, and end users. - Data models will help to represent the required data and the format that is used for different businesses processes.
- They help to prevent data redundancy.
- The database design tools have made the development of data models to possibly diminish the database design error potential.
- It also helps to eliminate the discrepancies between the database designs components and the real world data environment.
Want to see more full solutions like this?
Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!
Students have asked these similar questions
Need help with this in python!
Need help with this in python!
Help! How do I turn the flowchart that searches for a name in an array of names into structured and spaced pseudocode?
Chapter 2 Solutions
EP MINDTAPV2.0 FOR CORONEL/MORRIS'S DAT
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. 21RQCh. 2 - Prob. 22RQCh. 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
Knowledge Booster
Similar questions
- The mail merge process has ____ steps. Question 19Select one: a. five b. six c. seven d. eightarrow_forwardIf you created a main document based on an existing document entitled "Confirmation Letter," what default filename would Word give the main document? Question 14Select one: a. Confirmation Letter-1 b. Confirmation Letter-merge c. Document1 d. MergedDocument1arrow_forwardClick the ____ option button in the Mail Merge task pane to use an Outlook contact list as a data source for a merge. Question 11Select one: a. Use Outlook contacts list b. Select from Outlook contacts c. Select Contacts d. Mail Merge Recipientsarrow_forward
- A(n) ____ cannot be selected as the document type in the Mail Merge task pane. Question 9Select one: a. Letter b. Directory c. Fax d. E-mail messagearrow_forwardConsider a Superstore Database which consists of 3 tables, Orders, Returns, and Managers. The CSV files have been provided along with this DOC file in the Midterm 2 Link in the Moodle. Answer the questions as below: Use the created table as in the provided SQL query file, solve the problems as mentioned below. You will have to import the respective CSV files of the above created tables as without them, it is impossible to solve the questions below. If you are not able to upload the files successfully, do not leave the query questions. Just write the query to the best of your knowledge. Do not copy. To be graded for the screenshot answer, you must upload the CSV properly and paste the resulting screenshot of the queries as asked. Write Query to Find out which Product Sub-Category has a sum of Shipping Cost to sum of Sales ratio > 0.03.arrow_forwardI need to render an image of a car continuously for a smooth visual experience in C# WinForms. It gets the location array (that has all the x,y of the tiles it should visit) from another function - assume it is already written.arrow_forward
- write c program with features: Register a Bunny: Store the bunny's name, poem, and initialize the egg count to 0. Modify an Entry: Change the bunny's poem or update the egg count. Delete a Bunny: Remove a registered bunny from the list. List All Bunnies: Display all registered bunnies and their details. Save & Load Data: Store bunny data in a file to persist between runs. Use a struct to represent a bunny contestant. Store data in a binary file (bunnies.dat) for persistence. Use file I/O functions (fopen, fwrite, fread, etc.) to manage data. Implement a menu-driven interface for user interaction.arrow_forwardHelp, how do I write the pseudocode for the findMean function and flowchart for this?arrow_forwardNeed help drawing a flowchart for the findMax function herearrow_forward
- Need help writing the pseudocode for the findMin function with attachedarrow_forwardCreate a static function in C# where poachers appear and attempt to hunt animals. It gets the location of the closest animal to itself. Take account of that the animal also move too, so it should update the closest location (x, y) everytime it moves to a new location. Use winforms to show the movements of poachers.arrow_forwardCreate a static function in C# where poachers appear and attempt to hunt animals. It gets the location of the closest animal to itself. Take account of that the animal also moves too, so it should update the closest location (x, y) everytime it moves to a new location. Use winforms to show to movementsarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Fundamentals of Information SystemsComputer ScienceISBN:9781337097536Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Management Of Information SecurityComputer ScienceISBN:9781337405713Author:WHITMAN, Michael.Publisher:Cengage Learning,
Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781285867168Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781305971776Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781305627482Author:Carlos Coronel, Steven MorrisPublisher:Cengage Learning
Fundamentals of Information Systems
Computer Science
ISBN:9781337097536
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
Management Of Information Security
Computer Science
ISBN:9781337405713
Author:WHITMAN, Michael.
Publisher:Cengage Learning,
Principles of Information Systems (MindTap Course...
Computer Science
ISBN:9781285867168
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
Principles of Information Systems (MindTap Course...
Computer Science
ISBN:9781305971776
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning