Routines can be divided into the following two programming language categories:
- SQL routines
Routines written in SQL
- External routines
Routines written in languages other than SQL
Routines can be divided into two classes, depending on the definition SQL:
- Organization of this section
- 1.9.1 Procedures
- 1.9.2 Functions
- 1.9.3 Results-set return facility