Mastering PostgreSQL 12 - Third Edition: Advanced techniques to build and administer scalable and reliable PostgreSQL database applications, 3rd Edition
Python Machine Learning: A Practical Beginner's Guide to Understanding Machine Learning, Deep Learning and Neural Networks with Python, Scikit-Learn, Tensorflow and Keras
Mastering Machine Learning Algorithms - Second Edition: Expert techniques for implementing popular machine learning algorithms, fine-tuning your models, and understanding how they work, 2nd Edition