Study COF-C03 Performance Optimization, Querying, and Transformation: key concepts, common traps, and exam decision cues.
This chapter is where SnowPro Core checks whether you can tell the difference between a compute problem, a scan or pruning problem, and a data-type or transformation-fit problem.
| Lesson | Focus |
|---|---|
| 4.1 Query Performance, Caching, and Pruning | Learn how COF-C03 reasons about warehouse behavior, repeated queries, and too-much-data-scanned problems. |
| 4.2 Data Types and Transformation Fit | Learn how structured, semi-structured, and unstructured data affect Snowflake transformations and feature choice. |
| If the question is really about… | Go first to… |
|---|---|
| warehouse tuning, caches, query evidence, or pruning | 4.1 Query Performance |
VARIANT, semi-structured data, unstructured files, Iceberg awareness, or transformation logic |
4.2 Data Types & Transforms |