T-SQL, which stands for Transact-SQL, is a powerful extension of the Structured Query Language (SQL). It is a specialized programming language for interacting with and managing Microsoft SQL Server databases. T-SQL is proprietary to Microsoft and is the standard language for querying, modifying, and managing data in an SQL Server. The course covers all aspects of Microsoft SQL Server and Transact-SQL (T-SQL), from the basics to advanced topics. We will start by understanding SQL fundamentals and then proceed to hands-on exercises for installing SQL Server and Azure Data Studio. We will learn to create, modify, and manage database objects, perform data querying, filtering, and sorting, and explore advanced topics such as JOIN operations, subqueries, and window functions. The course also delves into database administration, transactions, and advanced query concepts. Practical skills in T-SQL development, database management, and optimization will be imparted, making it suitable for beginners and those looking to advance their database expertise. Upon completing this course, we will master Microsoft SQL Server/T-SQL. We will gain the skills to design, manage, and optimize databases and write efficient queries. This expertise opens doors to a wide range of career opportunities in the data management and analysis fields.