Extending INFORMIX-Universal Server: User-Defined Routines
Chapter 3: Designing a User-Defined Routine

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This chapter describes how to create external routines. It covers the following topics:

Designing the routine source
Writing the routine source
Creating object libraries
Registering external routines
Granting permissions on routines
Returning multiple values from external functions

Although the SQL statements that you use to define SPL routines and external routines are the same, the specific clauses and modifiers that you can use with the SQL statements differ somewhat. For this reason, SPL routines and external routines are documented separately.

For information about how to create and use SPL routines, see Chapter 15, "Creating and Using SPL Routines," in the Informix Guide to SQL: Tutorial.

Extending INFORMIX-Universal Server: User-Defined Routines, version 9.1
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