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When you wish to start editing a Model, an Entity or a Metadata, click on the ‘Edit’ ‘Edit’ button in the upper right corner of the screen.
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2. When you are editing a large Model, you can free up visual space by showing and hiding the sidebar on the right.
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2. Right-click on an entity to open a context menu. This allows you to, for example, view the Metadata of the Entity - such as seeing if there is a Description set for this specific Entity. You can also set the Entity type or Font size here. Or replace the Entity with another one, or delete it from the canvas.
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5. Define the role of each user, a role can be either Admin, Write or Read. Admins can create new content (Models, Business Glossary) and add more users. Writes can also create new Models and Business Glossary Items, but cannot add users. Readers are only allowed to view the Models, Glossary Items, and Reports.
Logical Models
Logical Modeling introduction
When Ellie launched originally, you had a place to "Create a Model". This Model was actually called a Conceptual Model. We renamed the segment to Conceptual Model when Logical Modelling was introduced, as it then became possible to create either a Conceptual or a Logical Model.
The positions for creating a Logical Model (or LM for short) or a Conceptual Model (or CM for short) are the same as they always have been.
You can create a CM or a LM from the Dashboard by clicking on the + sign right next to Models on the left.
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Or you can navigate to the Model List View, where on the sidebar, you have three buttons,
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New Collection, New Logical Model, New Conceptual Model.
After clicking on the New Logical Model button, you will be navigated to a form where you can set the name of the LM, and the description of the LM.
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After typing in a valid name for the New Logical Model, the Create Logical Model button will be enabled. After that, you are transported onto the LM Canvas where the editing of the LM will now commence.
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As you can see, a LM does not currently include Textboxes (these will be added in a future update), and the Export is directly available from within the Logical Model. You can also Edit the model info. If there is a need to communicate with Ellie support, you can tell them the ID number of the Model (Shown in the somewhat darker grey area, sometimes referred to as the title bar)
As per the canvas, you are presented with an empty Canvas, so click on the Add Entity button to start adding Entities specific to your Logical Model. These entities will not become visible in the Glossary Index List, or from the Search bar from the top right corner.
Editing Model Info
This is a simplistic dialog where you can chane the Name and the Description of the Logical Model. You will immediately see the changes when you press Save.
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Adding an LM Entity
After clicking on the Add Entity button, you are presented with the Create Entity dialog. When creating Entities in a LM, the process is somewhat different simply because of the hierarchy and content of a LM.
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An Entity can have a name, and can have multiple Attributes. Each Attribute can be designated as a PK (Primary Key) or a FK (Foreign Key). If you so choose, you can even designate an Entity as both a PK and a FK. You can also select and delete Attributes.
Here is a tiny example allowing me to click on Delete Selected Attributes to delete the lowest Attribute.
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After clicking on Delete Selected Attributes, I will click on Create Entity to finish the creation of the Entity.
Here is what the newly created LM Entity will look like on the LM Canvas. It will be placed in the center of the Canvas, so if you create multiple Entities, they will be on top of eachother - move their location so that you can start creating hierarchies.
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As you can see, each specific row will also show whether the Attribute is a Primary Key or a Foreign Key, or a Non-key Attribute.
You can continue Editing an Entity by clicking on the Edit button, or you can click on the trashcan icon to delete the Entity.
As per CM, you can also create relationships between Entities in LM.
Let's show that by creating a secondary Entity and connecting the two.
By hovering your mouse over the Bolded Corner of an Entity, it will change into a crosshair, and you can press your left mouse button down and start dragging towards the bolded corner of another Entity in order to create a Relationship.
A dashed line will appear between the two Entities, and after you release the left mouse button, a One to Many Relationship will be formed.
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If you right-click on the Relationship symbol, you will be able to change the Relationship Type or Delete the Relation. If you click on Relationship Type, you will see a sub-context menu with the usual Relationship arrows.
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When your LM has at least one Entity or more, you will see that the Export button is enabled.
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You can use it to
Export Entities
Export Attributes
Export Relations
These will come out in the .CSV format
The format of the filename will be
{OrganizationName}-model-{ModelName}-{TypeOfExport}-{DateInYYYYMMDDFormat}.csv
Such as
exampleOrganization-model-New Logical Model Created For Tutorial 2-entities-2022-01-31.csv
exampleOrganization-model-New Logical Model Created For Tutorial 2-relationships-2022-01-31.csv
exampleOrganization-model-New Logical Model Created For Tutorial 2-attributes-2022-01-31.csv
Use these in the application of your choice.
You can also use the Model Export API to export LM data, same as you already do with the CM data.
Importing content to Ellie
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