You asked

Is the sony a6300 good for beginners?

Yes, I think the a6300 is a good choice for a beginner. It's a mirrorless camera with an APS-C sensor, which is the kind of body I'd point most people to for a first camera. Mirrorless models show your exposure before you shoot, and their autofocus is strong for following people and animals. Its 24.2-megapixel sensor is plenty for learning. It was announced in 2016, so it's older, and it has no in-body stabilisation, so pick a lens with OSS. Good options for everyday use are:

Read my first camera guide for the reasoning, and consider buying used to save money.

Written by Claude from this site's pages.

From these pages