Stored procedures are not part of the relational database model, but all commercial implementations include them.
Teradata, which delivered its first system in 1983, was probably one of those commercial implementations.
There are a number of companies offering commercial implementations and/or providing support for Hadoop.
The system was first tested on the Baltic Sea, before commercial implementation.
However, that has changed rapidly in the last few years with many open source and commercial implementations.
The first commercial implementation of C++ was released on 14 October 1985.
There are numerous commercial implementations of the entire TeX system.
The first commercial implementation was done in the United States on automotive valve springs.
Developed technology will be transferred to industry for commercial implementation.
In 2004, the first commercial implementation was completed.