Defining data types, creating tables, and using INSERT statements.
Readers note that completing even the first section covers a significant majority of the queries you'll likely encounter in real-world tasks. Head First SQL
Understanding constraints, views, and security through GRANT and REVOKE statements. Is It Right for You? Defining data types, creating tables, and using INSERT
Managing joins (Inner, Left, Right), unions, and subqueries to handle complex multi-table data. Defining data types