HereThere cannotcan be confusedconfusion of the notions of ''object of DBMS'' and of ''class object''. This is very important as we live with both significances in one only language. It's so necessary to identify when the documentation refers to an ''object'' as one orof the othertwo meaningdefinitions.
''Database objects'' are concepts that refer to [[Relational model|relational]] or evensequential sequencial databasedatabases and persist being valid in new models. ''Tables'', ''triggers'', ''columns'', ''indexes'' are examples of database objects,<ref name="TOP10">{{cite web|url=http://www.codeproject.com/Articles/43629/Top-10-steps-to-optimize-data-access-in-SQL-Server|title=Optimize Database Files and Apply Partitioning|author=Shubho, Al-Farooque|date=8 November 2009|publisher=The Code Project|accessdate=19 April 2012}}</ref> nothing to see with ''classes objects'', witchwhich are present too in O-PL/SQL, but with the same meaning of the notion of [[Java (programming language)|Java]] objects, specifically an element of a set that has its existence beginning from an instantiation of a class.
