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Udemy Free coupon code for Databricks Certified Data Engineer Associate Practice Exams course taught by Paper Trails • 34,000 Students Worldwide, which has 1,122 students and is rated 0.0 out of 0 votes. This course is about in English and was updated on October 10, 2025. You can use this Udemy course with a free certificate and find the coupon at the bottom of this page.

Up-to-date practice tests with detailed explanations, exam tips, and full coverage of all exam domain

The Certified Data Engineer Associate (CDE-A) credential validates foundational skills in designing, building, and maintaining data pipelines that support analytics, machine learning, and business intelligence. It is aimed at junior data engineers, ETL developers, and analytics engineers who want to prove their ability to work with modern data platforms and prepare data for downstream consumption.

The CDE-A exam confirms that candidates understand data ingestion, transformation, storage, and orchestration concepts, along with basic security and governance practices. Successful candidates demonstrate the ability to integrate multiple data sources, optimize performance, and ensure reliability across the pipeline lifecycle.

Key knowledge areas include:

• Data Ingestion & Integration: connecting to structured and unstructured data sources (databases, APIs, streaming platforms), batch vs. real-time ingestion, and change data capture.

• Data Transformation: designing ETL/ELT workflows to clean, standardize, and enrich data using SQL, Python, or platform-native tools.

• Data Storage Architectures: understanding data warehouses, data lakes, and lakehouse patterns; managing file formats (Parquet, ORC, Avro) and partitioning strategies.

• Orchestration & Workflow Management: scheduling and monitoring pipelines with Airflow, dbt, or cloud-native services.

• Performance Optimization: indexing, caching, and parallel processing for high-volume data.

• Data Quality & Reliability: implementing validation checks, schema enforcement, and error handling to ensure trusted datasets.

• Security & Governance: applying access controls, encryption, and compliance practices across storage and transit layers.

• Cloud Data Services Basics: working with AWS, Azure, or GCP data services such as S3, BigQuery, Azure Data Lake, or Snowflake.

The CDE-A practice tests present realistic scenarios such as ingesting streaming data into a lakehouse, building an ETL job to join disparate datasets, optimizing a slow query, or configuring permissions on cloud storage. Each question includes detailed explanations that reinforce not only the technical steps but also architectural decision-making.

By achieving the CDE-A, professionals prove they can deliver clean, reliable, and well-modeled data pipelines for analytics and reporting. It is ideal for roles such as Associate Data Engineer, ETL Developer, Analytics Engineer, or Cloud Data Specialist, and it forms a strong foundation for advancing to professional-level data engineering or cloud architecture certifications.