Querying Data with Transact-SQL

Writing efficient database queries is a foundational skill for anyone working with data, whether you are managing databases, analyzing trends, or developing applications. This text-based course guides you through the core concepts of Transact-SQL (T-SQL), providing the exact knowledge base previously tested in standard querying exams. You will start with the absolute basics of relational databases before moving on to practical query construction. By the end of this course, you will be able to retrieve, filter, group, and modify data confidently using industry-standard SQL practices. What you will learn: Understand relational database principles and basic T-SQL syntax; Query multiple tables using various JOIN operations; Group and aggregate data to find trends and build reports; Write subqueries and use common table expressions (CTEs) for complex logic; Modify database tables using INSERT, UPDATE, and DELETE statements; Implement error handling and basic transaction control. This course begins with essential database terminology and basic SELECT statements, gradually introducing advanced filtering, analytical functions, and data modification techniques. This course is designed specifically for beginners with no prior database or programming experience. Start your journey into data management today and build a solid foundation in T-SQL.