April 2003
Beginner to intermediate
620 pages
21h 48m
English
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Name
INullable
Synopsis
.NET system types can’t contain the value
null. However, database values can because this
value can; a null value indicates the absence of a
value. All SQLType s implement the
INullable interface to enable them to contain the
null value.
public interface INullable { // Public Instance Properties public bool IsNull{get; } }
Implemented By
Multiple types
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.