Wondering what using PartiQL looks like and how it extends SQL? For a step-by-step walkthrough, look no further than this tutorial.
Interested in knowing every little detail about PartiQL? The specification contains all of the information you could want.
PartiQL-related technical documents including design docs, design rationale, use cases, etc.
The AWS Open Source blog published a launch blog post for PartiQL. The post covers the rationale for creating PartiQL and how to get started with it.