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# Data Modeling Deep Dive
- URL: https://www.namastesalesforce.com/courses/data-modeling-deep-dive/
- Published: 2026-08-04T23:00:00.000Z
- Updated: 2026-08-04T23:00:00.000Z
- Description: Objects, relationships and the decisions you cannot cheaply undo.
- Author: Swarnil Singhai
- Tags: Data Modeling Deep Dive, #course-col, #course-layout-billboard, #course-curriculum-timeline, #course-level-intermediate, #duration-2h-30m, #Import 2026-09-02 14:55

Objects, relationships and the decisions you cannot cheaply undo. This page is demo content generated for the theme — replace it with the real thing, keep the tags.

## Lookup or master-detail

The one relationship choice that follows you forever.

## Fields are cheap, objects are not

When a picklist beats a child object, and when it does not.

## Try it yourself

- Open your Developer Edition org and follow along
- Change one thing at a time and note what happens
- When something breaks, read the error before searching it