Skip to Content
Microsoft® SQL Server 2012 Unleashed
book

Microsoft® SQL Server 2012 Unleashed

by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
December 2013
Intermediate to advanced
1872 pages
153h 31m
English
Sams
Content preview from Microsoft® SQL Server 2012 Unleashed

Shared Query Plans

SQL Server 2012 execution plans consist of two main components: a query plan and an execution context. The query plan is the bulk of the execution plan. Query plans are re-entrant, read-only data structures used by any number of users. There are at most ever only two copies of the query plan in memory: one copy for all serial executions and another for all parallel executions. The parallel copy covers all parallel executions, regardless of their degree of parallelism. When a SQL statement is executed, the Database Engine searches the plan cache to see whether an execution plan for the same SQL statement is already in the plan cache. If a query plan does exist, the Database Engine reuses it, saving the overhead of recompiling ...

Become 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,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

Microsoft® SQL Server 2008 R2 Unleashed

Microsoft® SQL Server 2008 R2 Unleashed

Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
Microsoft SQL Server 2014 Unleashed

Microsoft SQL Server 2014 Unleashed

Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
Microsoft® SQL Server® 2008 Bible

Microsoft® SQL Server® 2008 Bible

Paul Nielsen, Mike White, Uttam Parui

Publisher Resources

ISBN: 9780133408539Purchase book