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Explore Oracle PL/SQL

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July 07

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The Methods to Object Type Madness
You can use object types to follow an object-oriented paradigm for your database development. Or you can just make occasional use of object types for collection datatypes. Or you might just use some of the object types pre-defined in Oracle Database, such as those used in the spatial and graph technologies.

In all of those cases, it'll come in very handy to understand the differences between static, member, map and order methods, and also how to invoke methods of supertypes from within a subtype method.

00:00 Introduction
02:45 Overview of object types
10:45 Static methods
12:41 Member methods
15:37 User-defined constructors
19:10 Map and order methods
28:29 Q&A

Your Experts

Steven Feuerstein
Steven Feuerstein, Developer Advocate for PL/SQL    
Steven Feuerstein is a Senior Advisor at Insum Solutions (, and is obsessed with the Oracle PL/SQL language, having written ten books on it (all published by O'Reilly Media). You will find an abundance of quizzes from Steven at the Dev Gym. Enjoy!
Chris Saxon
Chris Saxon, Oracle Developer Advocate for SQL    
Chris Saxon is an Oracle Developer Advocate and quizmaster on Dev Gym. His job is to help you get the best out of the Oracle Database and have fun with SQL! He's also part of the answer team on Ask TOM and creates YouTube videos at The Magic of SQL channel.