A logical model is created by adding business entities to it and defining
relationships among the entities. You can also define the properties of the entities
as well as the relationships. When complete, you can map the logical model to one or
more physical models.
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In a web browser, go to:
http://server:port/metadata-insights
Where server is the server name or IP address of your
Spectrumâ„¢ Technology Platform server and port is the
HTTP port. By default, the HTTP port is 8080.
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Log in using your credentials.
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Click Modeling.
The Logical Model tab is displayed by
default.
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Click the Add Logical Model button .
Note: You can also choose to create a new model by copying an existing model and
renaming it. To do this,
- Select the required logical model and click the Copy
Model
icon.
- On the Copy Logical Model pop-up window that
is displayed, rename the model in the Name
field.
- Select Yes in the Copy
Mappings slider to copy all the mappings along with
the logical model.
- Click Save.
- You can now modify details of this logical model, as needed. For
more information about modifying a physical model, see Modifying a Logical Model.
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Enter a name for the model in the Name field.
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From the Entities palette, drag the entity you want to
add to the model and drop it to the canvas.
Tip: Use the drop-down list in the palette to sort entities on the
basis of their categories. You can also use the type-ahead filter box below
the drop-down list for this.
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To create relationship between two entities, hover the cursor on the entity,
drag the mouse and drop it on the entity to which you want to relate it.
The relationship between entities is indicated by a relationship link. When
you hover the cursor on the primary entity, the related entity gets
highlighted.
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To delete an entity or relationship, select it and click the
Delete icon .
If you delete a relationship entity, the related relationship links also
get deleted.
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Click Save.
The logical model is saved and you are navigated back to the
Logical Model tab of the Modeling
page. The details displayed for this logical model are:
- Name of the logical model
- Default mapping, if any, for the logical model. This is displayed only after you
map your logical model to the physical models. For details on mapping a logical
model, see Mapping Models.
- Last modified date and time of the logical model