ER Assistant questions & answers

Provides a solution to create and print diagrams
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Question by Rodolfo
1K views
May 3, 2018

Is there a version that works on Mac OS? I'd greatly appreciate it.

Stephen Prastman
Answer by Stephen Prastman

No, unfortunately, there is no version of ER Assistant that works on Mac OS. I've downloaded the installer which was in a ZIP file format and unpacked it. The resulted file is a Windows installation package.


To run it in Mac OSX, install Wine Bottler and then download the Windows version. Wine Bottler allows you to run Windows app without to have Windows installed.

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Question by Maxeau Exil
84 views
April 26, 2018

Case
For Assignment 1, you designed a Relational Data Model for Emerging Electric. For Assignment 2, you are requested to design the Physical Data Model and build the database.


The input for the Physical Data Model are the Relational diagram you built for Assignment 1, the points from the Analysis phase below, and the additional requirements below.


Analysis Phase Requirements
After some initial analysis, it has been established that at a minimum the following entities and attributes are needed:


• Customer, with attributes Customer ID, Name, Address (Street, City, State, Zip Code), and Telephone
• Location, with attributes Location ID, Address (Street, City, State, Zip Code), and Type (values of Business or Residential)
• Rate, with attributes Rate Class and RatePerKWH


After interviews with the owners, you have come up with the following business rules:
• Customers can have one or more Locations.
• Each Location can have one or more rates, depending on the time of day.
• Customers are required to have service at least at one Location.
• Each Location is required to have at least one rate.


Additional Requirements

  1. The Database will be named with your first name plus last name initial. Example. Aldo Gonzalez  ALDOG
  2. Appropriate data type for each column must be chosen. RatePerKWH is a number.
  3. You must run the script and verify that it works before submitting it.
  4. Write the script to build the database in T-SQL. That is the SQL version we are using in all the Lab scripts
  5. The script must include create all tables, add all columns, create primary keys and foreign keys as needed.

Deliverables

  1. A .sql file with the script to build the database in T-SQL.
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Question by Guest
805 views
December 4, 2015

I'd like to know how to enlarge an entity box in ERD Assistant. When I put a large entity name, the software cuts it.

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Answer by Alex Urbach

You need to see the demonstration and tutorial videos available on various websites in order to learn how to configure and modify various aspects and objects in the application. There is also the possibility that the operation you're trying to complete to be unsuported.


Use the following link to see a list of websites that contain documentation and tutorial videos: https://goo.gl/9zLB2q

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