SQL Queries for Mere Mortals av John Viescas

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<b>The #1 Easy, Common-Sense Guide to SQL Queries¿Updated with More Advanced Techniques and Solutions</b><br><br><i>Foreword by Keith W. Hare, Vice Chair, USA SQL Standards Committee</i><br><br><b>SQL Queries for Mere Mortals</b> has earned worldwide praise as the clearest, simplest tutorial on writing effective queries with the latest SQL standards and database applications. Now, author John L. Viescas has updated this hands-on classic with even more advanced and valuable techniques. <br><br>Step by step, Viescas guides you through creating reliable queries for virtually any current SQL-based database. He demystifies all aspects of SQL query writing, from simple data selection and filtering to joining multiple tables and modifying sets of data. <br><br>Building on the basics, Viescas shows how to solve challenging real-world problems, including applying multiple complex conditions on one table, performing sophisticated logical evaluations, and using unlinked tables to think ¿outside t