SQL and Database Design for IT Professionals

In modern IT environments, the ability to interact with data directly is a superpower. Understanding how relational databases store, organize, and retrieve information is essential for system administrators, support engineers, analysts, and developers alike. This text-based course guides you from absolute beginner to confidently designing databases and writing clean, efficient SQL queries. What you will learn: - Learn core relational database concepts, schemas, and data types. - Design normalized database structures using primary and foreign keys. - Write powerful SQL queries to retrieve, filter, and sort data. - Perform data manipulation operations including inserting, updating, and deleting records. - Combine data from multiple tables using inner, outer, and self joins. - Apply modern SQL best practices, including Common Table Expressions (CTEs) and basic indexing for performance. You will start with the fundamental terminology of relational databases before moving step-by-step through database design principles and practical SQL querying techniques. This course is designed for IT professionals and beginners looking to build a strong foundation in database management, with no prior SQL experience required. Begin reading today to unlock the power of data in your IT career.