Hi Venugopal,
Which Associate exam are you going for? (Data Engineer, Data Analyst, ML or Spark Developer.) The prep differs a bit between them, but the core approach is the same:
- Download the exam guide PDF from the certification page for your exam. The section weightings are your syllabus, so spend your time in proportion to them.
- Do the matching free self-paced course on Databricks Academy.
- Practise hands-on in Databricks Free Edition, which replaced the old Community Edition. The practical questions are where most people slip up, so actually run things in a workspace.
- Take the official practice exam early to find your weak areas, then again before you book.
With some SQL background, 4 to 6 weeks part-time is realistic for the Data Engineer Associate. Let us know which exam you're targeting and we can point you at more specific resources.
Good luck!