<http://docs.openlinksw.com/virtuoso/ch-sqlprocedures/>
<http://schema.org/description>
"Stored procedures are a key component of database performance. The fewer messages are sent between the client and the server for a given transaction, the faster it will complete. Virtuoso/PL is a simple and straightforward language for writing stored procedures and triggers in Virtuoso. Its syntax is a combination of SQL and C, making learning it as easy as possible. It offers the features commonly found in database procedure languages in a simple, efficient and concise package. This document presents the primary concepts of the language and ends with a reference section."
<https://docs.openlinksw.com/virtuoso/ch-sqlprocedures/>