Databricks DE-PRO Data Modeling Guide

Study Databricks DE-PRO Data Modeling: key concepts, common traps, and exam decision cues.

Data-model questions are small in weight but high in leverage. Weak table design creates performance, quality, and governance problems that no later chapter can hide.

Work this chapter in order

Lesson	Focus
10.1 Delta Design & Partitioning	Learn how DE-PRO frames Delta layout and schema choices.
10.2 Dimensional Modeling & Serving	Learn how the exam thinks about table purpose and serving-layer design.

Fast routing inside this chapter

If the question is really about…	Go first to…
partitioning, Delta design, or schema strategy	10.1 Delta Design & Partitioning
bronze-silver-gold role, dimensional fit, or serving-layer choice	10.2 Dimensional Modeling & Serving

What strong answers usually do

choose table design that matches access pattern and scale
avoid partitioning habits that create maintenance cost without pruning benefit
keep medallion layer purpose tied to consumer need

In this section

Databricks DE-PRO Delta Table Design Guide
Study Databricks DE-PRO Delta Table Design: key concepts, common traps, and exam decision cues.
Databricks DE-PRO Dimensional Modeling Guide
Study Databricks DE-PRO Dimensional Modeling: key concepts, common traps, and exam decision cues.

Revised on Sunday, May 10, 2026

9. Debugging

Study Plan