In this course, instructor Mike Chapple explains data mining and helps you prepare for the second domain of the Data+ exam. Mike steps you through data acquisition and integration, including ETL and ELT processes, APIs, web scraping, sampling, and more. He goes over cleaning and profiling datasets, then covers data manipulation techniques, such as sorting, filtering, aggregating, and recording your data, as well as data transposition and normalization. Plus, Mike discusses query optimization methods like indexing, record subsets, query execution plans, and parameterization.