The Book Provides you the Basic to Advanced Queries in MSSQL and T-SQL With Examples,this book has the information where you develop your own Code and has in-detailed information of Stored Procedures,User Defined Functions,Triggersand how to optimise them
Reading this book helped me understand JOINS. Set operators is also explained in a language that I could comprehend. If you are having a hard time understanding procedures, functions, and triggers, then you should definitely consider buying this book.