This book focuses on installing, configuring, administering, and developing databases using SQL Server 2012. The creation of a database and its main objects: tables, indexes, views, stored procedures and functions, triggers, etc. The operation of means for displaying objects and their characteristics is shown. Describes data types, including XML, spatial, and user data. The syntax and semantics of the Transact-SQL language in Backus-Naur notations and using R-graphs are given. The characteristics and interactions of transactions are discussed in detail. Attention is paid to the means of copying and restoring the database. During the creation of the training database, examples of using data manipulation operators, triggers, stored procedures, etc. are described. For programmers.