The Ultimate Reference & Learning Guide for the SQL Professional! In depth and current overview of common challenges with SQL! Fluency with Structural Query Language (SQL) is essential for the database professional, however, a user-friendly and thorough resource can be difficult to locate. From helping you to assess your current skill level to preparing for an interview, this guide will tell any programmer with any level of SQL fluency the details of what you really need to know. Set yourself apart from other candidates and show that you have what it takes to land the job. More than just a rehash of the basics, more than just documentation and sales presentations, each section is based on project knowledge and experience gained on successful high-profile implementations so you can set yourself apart! Key topics include:. SQL Language Reference, SQL FAQ. Challenges in data projection. Transaction control. Trouble-shooting for runaway results and Cartesian joins