SQL Unleashed

SQL Unleashed is a comprehensive reference that helps you find the information you need. Learn the most accurate, reliable, and efficient ways to retrieve information. Become proficient at creating, testing and improving select (simple, nested, or correlated). Learn to manipulate information, database objects, and single table data while controlling transactions. Identify the key optimization and performance issues that are vital to SQL programming. Learn ways to improve performance, optimize statements, and avoid unnecessary database accesses. A catch-all section explains many difficult to classify topics, keying on some specific issues that have not been addressed in other books.