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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Forcing Recompilation of Query Plans
In some situations, a stored procedure might generate different query plans, depending on the parameters passed in. At times, depending on the type of query and parameter values passed in, it can be difficult to predict the best query plan for all executions. Consider the following stored procedure:
IF EXISTS ( SELECT * FROM sys.procedures WHERE schema_id= schema_id('dbo') AND name = N'price_range') DROP PROCEDURE dbo.price_rangeGOcreate proc price_range (@low money, @high money)asselect * from Production.Product where ListPrice between @low and @highreturn
Assume that a nonclustered index exists on the ListPrice column in the Product table. ...
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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.