As the SQL Renaissance Ambassador, it’s Markus Winands mission to make developers aware of the evolution of SQL in the 21st century. His book “SQL Performance Explained” has been published in five languages and can be read online free of charge at use-the-index-luke.com. He is currently working on his next book, which can already be read online as it’s being written (modern-sql.com). Markus is available as a trainer, speaker and consultant for all companies and developers interested in SQL.