September 2009
Intermediate to advanced
832 pages
23h 31m
English
book
Inside Microsoft® SQL Server® 2008: T-SQL Programming
by Dejan Sarka Itzik Ben-Gan Greg Low, Roger Wolter, Ed Katibah, and Isaac Kunen
Content preview from Inside Microsoft® SQL Server® 2008: T-SQL ProgrammingBecome 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,
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.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.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.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.
Chapter 2. User-Defined Functions
Itzik Ben-Gan and Dejan Sarka
User-defined functions (UDFs) are routines that perform calculations/computations and return a value—scalar (singular) or a table. Microsoft SQL Server 2008 allows you to develop UDFs using either T-SQL or a .NET language of your choice based on the common language runtime (CLR) integration in the product. You can incorporate UDFs in queries, computed columns, and constraints.
This chapter explores the types of UDFs that are supported by SQL Server: scalar-valued UDFs, which return a single value, and table-valued UDFs (inline and multiple-statement), which return a table. I’ll provide sample code for CLR UDFs in both C# and Microsoft Visual Basic.
Most of the .NET routines in this book ...
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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.