Input Parameters

Methods in ODL

The third kind of feature of ODL classes is the method. As in other object-oriented languages, a method is a piece of executable code that may be applied to the objects of the class.

Procedures Stored in the Schema

In this section, we introduce you to a recent SQL standard called Persistent, Stored Modules (SQL/PSM, or just PSM, or PSM-96). Each commercial DBMS offers a way for the user to store with a database schema some functions or procedures that can be used in SQL queries

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