User-defined functions are a class of procedures that return a single value to the calling environment. This section introduces creating, using, and dropping user-defined functions.
SQL Anywhere does not make any assumptions about whether user-defined functions are thread-safe. This is the responsibility of the application developer.
Creating user-defined functions
Calling user-defined functions
Dropping user-defined functions
Permissions to execute user-defined functions
Advanced information on user-defined functions
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