BNF Basics
Learn about the basics of Backus–Naur Form. If you've never heard of this, Tom Fischer explores this way of structuring technical information.
2009-08-12
11,139 reads
Tom Fischer
Lesson Learned from Contracting, Revisited
A few notes from a consulting engagement that might get you to think about what to expect from your next contractors.
2008-04-15
6,350 reads
Writing SQL Faster
All of us would like to code faster and with fewer mistakes. While a third party tool usualy won't help with the latter, there are a few to help you increase the speed at which you build readable code. New author Tom Fisher brings us a short tutorial on using a couple of Red Gate's tools.
2007-06-28
11,036 reads
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Question of the Day
Query Plan Regressions --
For the Question of the day, I am going to go deep, but try to be more clear, as I feel like I didn't give enough info last time, leading folks to guess the wrong answer... :) For today's question: You’re troubleshooting a performance issue on a critical stored procedure. You notice that a previously efficient query now performs a full table scan instead of an index seek. Upon investigating, you find that an NVARCHAR parameter is being compared to a VARCHAR column in the WHERE clause. What is the most likely cause of the query plan regression?
See possible answers