Database Management Systems, Raghu Ramakrishnan, Johannes Gehrke, 2002 (McGraw-Hill Education) - Offers a comprehensive introduction to query processing, optimization, and physical plan generation in database systems.
The Snowflake Elastic Data Warehouse, Benoît Dageville, Thierry Cruanes, Marcin Zukowski, V. N. Antonov, Artin Avanes, Jon Bock, Jonathan Claybaugh, Daniel Engovatov, Martin Hentschel, Jiansheng Huang, Allison W. Lee, Ashish Motivala, Abdul Munir, Steven Pelley, Peter Povinec, Greg Rahn, Spyridon Triantafyllis, Philipp Unterbrunner, 2016Proceedings of the 2016 ACM SIGMOD International Conference on Management of Data (Association for Computing Machinery, New York, NY, USA)DOI: 10.1145/2882903.2903741 - Details the architecture of Snowflake, a cloud data warehouse, with emphasis on its query optimizer and execution engine.