SQL PUZZLES & ANSWERS Second Edition. The Morgan Kaufmann Series in Data Management Systems Series Editor: Jim Gray, Microsoft Research, Joe Celko’s Analytics and OLAP in SQL Joe Celko Data Preparation for Data Mining Using SAS Mamdouh Refaat Querying XML: XQuery, XPath, and SQL/XML in Context Jim Melton and Stephen Buxton Data Mining: Concepts and Techniques, Second Edition Jiawei Han and Micheline Kamber Database Modeling and Design