Databricks Certified Data Engineer Associate Exam Guide

The **Databricks Data Engineer Associate** certification validates your ability to use the Databricks platform to perform basic data engineering tasks. It covers Lakehouse architecture, ETL with Spark SQL and Python, and managing Delta Live Tables pipelines.

What is a 'Delta' table in Databricks?

Answer : An optimized storage layer that brings ACID transactions to object storage.

Delta Lake ensures reliability for data lakes similar to SQL databases.

Which Databricks component is used for orchestrating data processing workflows?

Answer : Databricks Jobs.

Schedules and monitors the execution of notebooks, JARs, and scripts.

What is the term for an architecture combining a data lake and a data warehouse?

Answer : Lakehouse.

A Lakehouse architecture provides the best of both worlds using the Delta format.

What is Spark SQL?

Answer : A Spark module for processing structured data using SQL queries.

Allows developers to interact with Spark DataFrames using familiar SQL syntax.

What is the purpose of 'Unity Catalog'?

Answer : To provide unified data and AI governance across the Databricks platform.

Centralizes access control, auditing, and lineage for all data assets.

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