question

Hi @AntoReniHuxleyAntokinsley-0522 ,

Welcome to Microsoft Q&A Platform. Thank you for posting query here.

The screenshots what you see in below link are example screenshots only.
https://docs.microsoft.com/en-us/learn/modules/design-modern-data-warehouse-using-azure-synapse-analytics/4-exercise-identify-architecture-components

There is no code base. But as you rightly pointed it's not properly conveyed in that documentation as example screenshots. I would encourage you to go to bottom of that page and click on "reporting an issue" link to share this as feedback.

While providing feedback you can select learning content quality option.

Please Note, Synapse Workspace will have some built in Templates Gallery. You can find templates there for few use cases. Below are the steps to navigate to templates Gallery.
Click on Integrate menu --> + Sign --> Browse Gallery

Hope this will help. Please let us know if any further queries. Thank you.

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as a former MSFT employee, I find it pretty damn appalling that these modules were allowed to be published with references to a non-existent code base. IF msft wants people to use these new tools, then at least allow people to following along USING the sample code base.