March 2012
Intermediate to advanced
442 pages
9h 31m
English
Content preview from IBM DB2 9.7 Advanced Application Developer CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Working with user-defined types (UDT)
In any business, there are many entities or objects. There is no default way to represent a business object in a database. For example, currency is a business entity and there is such a thing in the database that can represent currency directly. To support such requirements, DB2 provides user-defined types (also known as UDTs). A user-defined type is a data type which is derived from the existing data types and is treated as a separated data type.
As a user, we can define our own data types based on in-built data types provided by DB2. A simple example would be, we can define USD as DECIMAL (10, 2) and use this across our application or schema. Similarly, we can define a type as CLOB(32K) and resume, and so ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.