SQLC streamlines database operations in Go by converting raw SQL queries into type-safe code that adheres to the repository design pattern, enabling developers to harness Go’s strong type system for defining query inputs and outputs. By generating repository code directly from SQL files and database schema definitions, SQLC eliminates repetitive manual coding, reduces errors from data unmarshalling, and makes it easy to maintain and extend query logic. The lesson demonstrates SQLC’s integration with SQLite, guiding users through configuring SQLC, writing and annotating queries, generating and using repository methods, and highlighting the ease of adding or modifying queries. This approach promotes maintainable, type-safe, and efficient database access in Go applications while retaining the flexibility and expressiveness of SQL over traditional ORMs.