This publication attempts to provide a realistic and honest overview of SQL application improvement methods and to define a rational concept for tactical maneuvers. Refactoring is often reminiscent of a frantic search for quick wins and spectacular improvements that can fit into the budget and keep your head on your shoulders. But applying the right principles wisely and systematically can lead to impressive results. This book will help you develop the right tactics and assess the prospects for various solutions. Read the suggested manual, ask questions, leave comments and remember to rate.