Originally based upon relational algebra and tuple relational calculus, SQL consists of a data definition language and a data manipulation language. The scope of SQL includes data insert, query, update and delete, schema creation and modification, and data access control. Although SQL is often described as, and to a great extent is, a declarative language (4GL), it also includes procedural elements. (by Wikipedia)
The tool allows you to check the percentage of fragmentation of the indexes of a MS SQL database by generating a script for Reconstruction and Reorganization of the same.