Transact-SQL (T-SQL) is an advanced form of the Structured Query Language (SQL) used for programming Microsoft SQL Server. It is a powerful language that can be used to create and manage databases, write queries, and manipulate data. T-SQL provides developers with an extensive range of features and capabilities to enhance their productivity and accuracy. It is a versatile tool that is used to write stored procedures, triggers, functions, and views. T-SQL allows developers to write complex queries and quickly deliver results. Additionally, it is equipped with powerful debugging capabilities, which can make development faster and easier. With its rich set of features and capabilities, T-SQL is one of the most popular and widely used programming languages in the industry.