PROC SQL: Beyond the Basics Using SAS®, Third Edition, is a step-by-step, example-driven guide that helps readers master the language of PROC SQL. Packed with analysis and examples illustrating an assortment of PROC SQL options, statements, and clauses, this book not only covers all the basics, but it also offers extensive guidance on complex topics such as set operators and correlated subqueries. Programmers at all levels will appreciate Kirk Lafler's easy-to-follow examples, clear explanations, and handy tips to extend their knowledge of PROC SQL.
This third edition explores new and powerful features in SAS® 9.4, including topics such as:
IFC and IFN functions
nearest neighbor processing
the HAVING clause
indexes
It also features two completely new chapters on fuzzy matching and data-driven programming. Delving into the workings of PROC SQL with greater analysis and discussion, PROC SQL: Beyond the Basics Using SAS®, Third Edition, explores this powerful database language using discussion and numerous real-world examples.

Kirk Paul Lafler is founder and entrepreneur at Software Intelligence Corporation. He has worked with SAS software since 1979 as a consultant, application designer and developer, programmer, SAS solutions provider, data analyst, educator, and author. As a SAS Certified professional, mentor, and educator at Software Intelligence Corporation and as an advisor and SAS programming adjunct professor at the University of California San Diego Extension, Lafler has taught SAS courses, seminars, workshops, and webinars to thousands of users around the world. He received his BS and MS degrees from the University of Miami. Lafler is a frequent speaker at international, regional, special-interest, local, and in-house SAS users group conferences and meetings. He has also authored or co-authored several books, including Google(R) Search Complete and PROC SQL: Beyond the Basics Using SAS(R); hundreds of papers and articles on a variety of SAS topics; and a popular SAS tips column, called "Kirk's Korner." He has also served as an invited speaker, instructor, keynote speaker, and section leader at SAS users group conferences and meetings around the world and is the recipient of numerous "Best" contributed paper, hands-on workshop (HOW), and poster awards.