Beginning T-SQL: A Step-By-Step Approach

Kathi Kellenberger is an editor and DevOps advocate at Redgate Software and a Microsoft Data Platform MVP. She has been working with SQL Server for over 20 years, starting with version 6.5. She has worked as a developer, database administrator, and consultant. Kathi has been involved with almost 20 book projects as an author, co-author, or technical editor, and enjoys presenting at events, webinars, and user groups. When not working, she teaches T-SQL to beginners at a non-profit in St. Louis, Missouri that helps people transition to tech careers.
Lee Everest is a SQL Server developer who has worked with the product since version 6.5. He has taught part-time at Dallas College North Lake Campus for 18 years, and has had several students move on to companies such as Microsoft, filling roles from support engineer to data scientist to vice president. When Lee isn't working, he enjoys computers, golf, and fishing.