This guide offers a comprehensive introduction to T-SQL, specifically tailored for SQL Server 2012. It covers essential concepts and techniques, including querying, data manipulation, and database design. Readers will learn through practical examples and exercises, making complex topics accessible. The book emphasizes best practices and performance optimization, ensuring that both beginners and those looking to enhance their skills can effectively work with T-SQL. Ideal for aspiring database professionals, it provides a solid foundation for further learning in SQL Server.
The book offers a comprehensive introduction to T-SQL, making it accessible for beginners. It covers essential concepts and practical applications, ensuring readers develop a solid understanding of SQL programming. Through clear explanations and hands-on examples, the content is designed to build confidence and proficiency in writing queries and managing databases. Ideal for those looking to enhance their skills in data manipulation and retrieval, it serves as a valuable resource for both novice and aspiring database professionals.
Expert T-SQL Window Functions in SQL Server takes you from any level of knowledge of windowing functions and turns you into an expert who can use these powerful functions to solve many T-SQL queries. Replace slow cursors and self-joins with queries that are easy to write and fantastically better performing, all through the magic of window functions. First introduced in SQL Server 2005, window functions came into full blossom with SQL Server 2012. They truly are one of the most notable developments in SQL in a decade, and every developer and DBA can benefit from their expressive power in solving day-to-day business problems. Begin using windowing functions like ROW_NUMBER and LAG, and you will discover more ways to use them every day. You will approach SQL Server queries in a different way, thinking about sets of data instead of individual rows. Your queries will run faster, they will be easier to write, and they will be easier to deconstruct and maintain and enhance in the future. Just knowing and using these functions is not enough. You also need to understand how to tune the queries. Expert T-SQL Window Functions in SQL Server explains clearly how to get the best performance. The book also covers the rare cases when older techniques are the best bet.
