Itzik Ben-Gan is a Mentor and Co-Founder of SolidQ. A Microsoft Data Platform MVP (Most Valuable Professional) since 1999, Itzik has delivered numerous training events around the world focused on T-SQL Querying, Query Tuning and Programming. Itzik is the author of several books including Microsoft SQL Server High-Performance T-SQL Using Window Functions, T-SQL Fundamentals and T-SQL Querying. He has written articles for SQL Server Pro, SolidQ Journal and MSDN. Itzik's speaking activities include SQLPASS, SQLBits, SQLTeach and various user groups around the world. Itzik is the author of SolidQ's Advanced T-SQL Querying, Programming and Tuning and T-SQL Fundamentals courses along with being a primary resource within the company for their T-SQL related activities. This talk has taken place during SQLDay conference in Wroclaw (Poland), on 16th May 2018 (Wednesday). Interviewers: Kamil Nowinski & Damian Widera. Do you know what Itzik does like doing the most? What kind of thing is important when writing a book? Why worth to be at conferences and also when he has started working with Microsoft SQL Server databases? Find out more in this talk.