Databricks Academy is the vendor's own training arm, and its Apache Spark Developer learning path is the most direct way to learn Spark architecture, Spark SQL, the DataFrame API, tuning, Structured Streaming, and Spark Connect the way Databricks frames them. Self-paced courses come with optional hands-on Academy Labs, and instructor-led classes are available for people who want live teaching.
The gap is a matter of product design: Academy courses are built to teach the platform, not to measure where you personally stand against the exam guide. There's no baseline diagnostic or readiness prediction, so judging whether you're ready to book the exam is left to you.
Edureify's Diagnostic maps your understanding across Spark architecture, Spark SQL, the DataFrame API, tuning, Structured Streaming, and Spark Connect before you start, then the Readiness Score updates after every practice session — a useful companion to official training when you want to know what still needs work.