Marcin Moczyróg's blog

Creating Custom Aggregate Functions in C/ C++


The aim of this article is to describe the process of creating a user-defined aggregate function. Oracle 9i was used to prepare and test the function; some parts of the code may not work with Oracle versions older than 9i. This article gathers information that is needed to write the aggregate function in one place, and presents a clear step-by-step descripion of the process.

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