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SQL provides a set of useful functions, but they might not satisfy all of the particular requirements you have to process your data.

User-defined functions (UDFs) allow you to extend SQL by writing your own functions in the C/C++ programming languages, installing them on the database, and then using them like standard SQL functions.

Hi,

We are developing some user defined functions (aggregates, window aggregates) and table functions  in TD 12.0.  

We tried to use the example from the "SQL External Routine Programming" book.  Unfortunately, the releasea listed on this book is 13.10.