Are you running Access, MySQL, SQL Server, Oracle, or PostgreSQL, this book will help you push the limits of traditional SQL to squeeze data effectively from your database. Learn how to: data row with the most efficient way possible and arrange Aggregate your data for meaningful and accurate reporting advantage of subqueries, joins, and unions Stay on top of the performance of your query and the server that runs them Avoid common SQL security pitfalls, including the dreaded SQL injection attack Let SQL Hacks serves as your toolbox for exploring and manipulating data.