Introduction to SQL and relational databases

In the modern business landscape, information represents the most valuable resource for organizations, with the majority of this critical data housed within digital relational database systems. The overwhelming majority of database management platforms currently deployed across industries rely on SQL as their primary language for data manipulation and retrieval operations. As a globally recognized standard, SQL empowers users to execute sophisticated data analysis and aggregation operations through an intuitive command structure that maximizes efficiency. For professionals pursuing careers in data analytics, software development, or any field requiring database interaction capabilities, SQL proficiency serves as a fundamental prerequisite. This comprehensive course will guide you through essential database management principles while providing hands-on experience with SQL implementation. Beginning with fundamental data retrieval techniques from single tables, you'll progress to advanced multi-table operations that enable comprehensive data analysis—all practiced using our cloud-based SQL simulation environment throughout your learning journey

• Basic concepts of databases and relational databases such as table, record, field, relation, primary key or secondary key
• Use of the SELECT command with the WHERE clause and various tools such as IN, BETWEEN or LIKE to query databases using string and range patterns
• The SQL commands for creating, changing and deleting tables and databases: CREATE, ALTER and DROP and to modify tables: INSERT, UPDATE and DELETE
• How to group, summarize and sort with ORDER BY, GROUP BY, SUM, AVG, MAX or MIN and how to make queries from several tables with JOIN and UNION

• No deep prior experience is required, but basic computer and internet skills are helpful
• Ability to read course instructions in English and complete short practice activities