Learn how to use SQL to access, analyze, and manipulate business data from various sources. Discover how to perform common tasks such as filtering, joining, creating, and visualizing data.

To extract data using SQL from CSV files, you need to import or load the CSV file into a SQL database or a SQL-compatible tool, such as SQLite, MySQL, PostgreSQL, or SQL Server.

Learn how to extract a rowset of XML values in a SQL query using the value() and nodes() methods or the OpenXML() method. Assume that you want to extract the first and last names of authors, and the ...