Fun with Outer Joins
Learn how an outer join works and how you can use it in your applications to find the results you need when matching data isn't in all your tables.
2014-01-17 (first published: 2012-09-10)
23,272 reads
T-SQL
2012-09-07
2,792 reads
2012-09-06
2,743 reads
The Seven Sins against T-SQL Performance
There are seven common antipatterns in T-SQL coding that make code perform badly, and three good habits which will generally ensure that your code runs fast. If you learn nothing else from this list of great advice from Grant, just keep in mind that you should 'write for the optimizer'.
2012-08-29
7,758 reads
2012-08-28
2,595 reads
2012-08-27
2,749 reads
2012-08-23
2,989 reads
2012-08-21
2,814 reads
Hierarchies in SQL, Part II, the Sequel
In a followup to his first article on Hierarchies, Gus Gwynn takes a look at the performance of a few different methods of querying a hierarchy. Learn how the HierarchyID stacks up.
2012-08-21
7,993 reads
2012-08-20
3,525 reads
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Question of the Day
UNISTR Escape
In SQL Server 2025, I run this command:
SELECT UNISTR('*3041*308A*304C\3068 and good night', '*') as "A Classic";
What is returned? (assume the database has an appropriate collation)
A: 
B: 
C: 
See possible answers