Stored procedures are part of the data base schema included with the application.  A stored procedure may be one of the following:
* [Trigger|data base trigger] - executed upon an event in the data base
* [Function|data base function] - performs computations and/or data retrieval and returns a value to the calling program
* [Procedure|data base procedure] - executes computations and/or data manipulation
* [Packages|data base package] - a collection of functions and procedures that can also share variable values.