October 2003
Intermediate to advanced
1072 pages
24h 21m
English
Content preview from Guru's Guide to SQL Server Architecture and Internals, TheBecome 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,
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Appropriate Cursor Use
A word of advice: Use cursors only when you have to. That may seem a little simplistic or overly broad, but I think most seasoned Transact-SQL developers would agree that using cursors should be near the bottom of your list of coding techniques. Instead, try to find a solution that leverages Transact-SQL's ability to work with sets of data to solve your problems. That's what it was designed to do; that's what it does best. Though cursors are an easy concept for beginners to grasp, cursor overuse/misuse is a major source of performance problems with most RDBMSs, including SQL Server.
This isn't to say that cursor use is taboo or that all cursor users are headed for a fiery afterlife. If you program long enough in Transact-SQL, ...
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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.
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