Most candidates need 4 to 5 weeks of part-time study, roughly 30 to 40 hours, to prepare for the Databricks Certified Associate Developer for Apache Spark exam. A developer who already writes PySpark every week can be ready in 2 to 3 weeks. A pandas user who is new to Spark should budget 6 to 8 weeks.
Last updated October 2026.
These assume 6 to 8 hours a week. The exam has no prerequisite; Databricks highly recommends about six months of hands-on Apache Spark experience as background, not as a gate. One rule shapes every plan: the exam allows no test aids, including API documentation, so you have to recall method names, argument orders and defaults, not recognize them in an autocomplete list.
Exam facts (no prerequisite, no test aids, 45 scored questions, 90 minutes, Python only) come from the official Databricks exam guide (30 October 2025 edition). The timelines are our own estimates, not Databricks figures.
The exam serves 45 scored multiple-choice questions in 90 minutes, every code snippet in Python, and Databricks publishes official section weights, so you can put the hours where the points are.
| Exam section | Weight | Course unit |
|---|---|---|
| Developing DataFrame/DataSet API Applications | 30% | Unit 3, Chapters 16 to 28 |
| Apache Spark Architecture and Components | 20% | Unit 1, Chapters 01 to 09 |
| Using Spark SQL | 20% | Unit 2, Chapters 10 to 15 |
| Troubleshooting and Tuning | 10% | Unit 4, Chapters 29 to 32 |
| Structured Streaming | 10% | Unit 5, Chapters 33 to 36 |
| Using Spark Connect to Deploy Applications | 5% | Unit 6, Chapters 37 and 38 |
| Using Pandas API on Spark | 5% | Unit 7, Chapters 39 and 40 |
Weights from the official Databricks Certified Associate Developer for Apache Spark certification page. For what each section actually asks, see the section-by-section breakdown.
The DataFrame API and Architecture sections are half the exam, so every plan below gives Units 1 to 3 most of the calendar and Units 4 to 7 one focused stretch.
partitionBy and overwrite, querying files directly with SQL, the four save modes, persistent tables, temporary views.If you are in the middle tier, compress the same plan: Units 1 and 2 in week 1, Unit 3 across weeks 2 and 3, Units 4 to 7 in week 4, and the mocks in week 5.
Write the code, do not just read it. Many questions show four snippets that differ by one argument or one method name. Typing df.write.mode("overwrite").partitionBy("country").parquet(path) a few times is what makes the wrong orderings look wrong.
spark.sql.shuffle.partitions is 200, spark.sql.autoBroadcastJoinThreshold is 10 MB, cache() on a DataFrame uses MEMORY_AND_DISK, and the default save mode is errorifexists.registerTempTable, or list Mesos as a cluster manager predate the current exam.Databricks publishes no passing score. Our guidance is to aim for 70 percent or better on two full-length timed mocks, with no section far behind the rest. The practice hub for the course tracks mastery per section across every session and points you at the weakest one next. For the full checklist, read how to tell if you are ready for the exam.
Most candidates need 4 to 5 weeks of part-time study, roughly 30 to 40 hours. Developers who write PySpark every week can be ready in 2 to 3 weeks, and pandas users new to Spark should budget 6 to 8 weeks.
Plan on about 30 to 40 hours at 6 to 8 hours a week for the typical candidate. Put half of that into the DataFrame API and Architecture sections, which carry 30% and 20% of the exam.
Yes, with about 6 to 8 weeks of study. The DataFrame syntax will feel familiar, but distributed execution, lazy evaluation, partitions and shuffles are new, and the Architecture section alone is 20% of the exam.
No. Every code snippet on the current exam is Python (PySpark). Scala matters only as background, since Datasets are the typed Scala and Java form of a DataFrame.
No. The official exam guide allows no test aids, including API documentation. That is why method names, argument order and defaults such as the 200 shuffle partitions have to come from memory.
Unit 1 is free, all nine chapters and Practice Exam 1. Work through the seven units at your own pace and let the section exams and mocks tell you when you are ready.
Start Chapter 1 →