If you're a sql beginner, you don't just want to learn sql basics, you also want to get some practical sql skills you can use in the job market. This book gives you both. Covering the basics through intermediate topics with clear explanations, hands-on exercises, and helpful solutions, this book is the perfect introduction to sql. Topics include both the current standards, the upcoming standards, and also how to use sql against current releases of the most popular commercial sql databases, such as oracle, sql server, and mysql. · introduction. · drowning in data, dying of thirst for knowledge. · breaking and structured information. · a thing you can relate to -- designing a relational database. · overcoming the limitations of sql. · grouping and aggregation. · when one is not a query within a query. · you broke it; you fix combining data sets. · what else is there, and why? · optimizing performance. · multiuser environment. · working