This lesson provides a complete, concept-clear understanding of SQL Data Manipulation Language (DML), covering INSERT, UPDATE, DELETE, filtering, sorting, grouping, and safe data handling practices. Ideal for Computer Science, ICT, IT Fundamentals, Database Systems, and AP CS–aligned courses. Designed to help students understand HOW data is added, modified, analyzed, and safely managed in real databases, using clear SQL syntax, step-by-step examples, and practical student-table scenarios. ─