Chapter 37. Extending SQL
Prev | Up | Part V. Server Programming | Home | Next

## Chapter 37. Extending SQL

In the sections that follow, we will discuss how you can extend the PostgreSQL SQL query language by adding:

- functions (starting in Section 37.3)

- aggregates (starting in Section 37.12)

- data types (starting in Section 37.13)

- operators (starting in Section 37.14)

- operator classes for indexes (starting in Section 37.16)

- packages of related objects (starting in Section 37.17)

Prev | Up | Next
Part V. Server Programming | Home | 37.1. How Extensibility Works