Databricks · Databricks Data Engineer Associate
The platform
Databricks Data Engineer Associate · Lesson 1 of 22 · 3:06
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In this lesson
Prepare for the Databricks Certified Data Engineer Associate exam. In this lesson: the Databricks architecture (account, workspaces, control plane, and compute plane), the lakehouse and Delta Lake (Parquet files and a transaction log for ACID transactions), table history with DESCRIBE HISTORY, time travel and RESTORE, Unity Catalog and its three-level namespace, and the medallion architecture. Includes three original practice questions.
Preview the topics
- Two nightly jobs sometimes write to the same sales table at once, and analysts have found half-written results in it. Which feature prevents this?
- At 2 a.m., a bad load wrote wrong prices into the gold prices table. The team must bring the table back to its state before that load, without reloading from the source. What should they run?
- Hollowbrook has two workspaces in the same region, one for engineers and one for analysts, and both teams must see the same tables, with the same permissions. What makes this possible?