دانلود کتاب Beginning T-SQL 2012

Beginning T-SQL 2012 is the first step toward learning the T-SQL language that underlies Microsoft’s SQL Server database engine. T-SQL is essential in writing SQL statements to get data into and out of a database. T-SQL is the foundation for business logic embedded in the database in the form of stored procedures and functions. Beginning T-SQL 2012 starts you on the path to mastering T-SQL, with an emphasis on best practices and sound coding techniques. Beginning T-SQL 2012 begins with an introduction to databases, normalization, and to SQL Server Management Studio. Each subsequent chapter teaches an aspect of T-SQL, building on the skills learned in previous chapters. Exercises in each chapter give readers an opportunity for the hands-on practice that leads to true learning and distinguishes the competent professional. Imparts best practices for writing T-SQL Helps you avoid common errors Shows how to write scalable code for good performance What you’ll learn The fundamentals of relational theory, upon which Transact-SQL is based How to write accurate queries that are scalable and perform well How to combine set-based and procedural processing, obtaining the best from both worlds How to embed business logic in your database through stored procedures and functions How to simplify your work with new and advanced features, such as common table expressions and virtual tables How to enhance performance by knowing when to apply features such table value parameters, and when not to