December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
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CONCAT
The new CONCAT function provides an alternative mechanism for concatenating string values into a single string. The CONCAT function takes a variable number of arguments. At least two input values are required, or an error is raised. Unlike the current method of concatenation using the + operator, CONCAT implicitly converts all arguments to strings. For example, if you pass an integer value to CONCAT, it casts it to a string before concatenating it into the result. If you use the + operator to concatenate a numeric value into a string, you have to first explicitly cast it to a character data type, or a data type conversion error is raised. The following example demonstrates the difference:
SELECT 'ShiftID = ...
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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.