Blaze your trail
Here is a list of useful Trailhead modules to enhance your knowledge related to data modeling, custom objects, custom fields, and relationships:
Data Modeling: https://trailhead.salesforce.com/en/content/learn/modules/data_modeling?trail_id=force_com_admin_beginner
Customizing an App with Lightning Object Creator: https://trailhead.salesforce.com/en/content/learn/projects/quick-start-customize-an-app-with-lightning-object-creator
Customizing a Salesforce Object: https://trailhead.salesforce.com/en/content/learn/projects/customize-a-salesforce-object
Administrator Certification Prep: Setup and Objects: https://trailhead.salesforce.com/content/learn/modules/administrator-certification-prep-setup-and-objects
Picklist Administration: https://trailhead.salesforce.com/en/content/learn/modules/picklist_admin?trail_id=force_com_admin_intermediate
External Services: https://trailhead.salesforce.com/en/content/learn/modules/external-services?trail_id...
