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
7,994 reads
- Interests: Reading, movies, RPG (online and pen-and-paper)
Hierarchies in SQL
One very common structure that needs to be handled in T-SQL is the hierarchy. One of our prominent members of the community discusses how you can handle hierarchies in SQL Server.
2010-12-10 (first published: 2009-01-28)
33,820 reads
Audit Trails and Logging Part II
Continuing with Part II of his auditing series, Gsquared takes a look at active auditing techniques for your SQL Server.
2008-06-10
10,438 reads
Audit Trails and Logging Part I
Auditing becomes more important every day as new requirements for data access are implemented. New author Gsquared, well known in the forums, brings us a look at types of audits and some details on passive auditing techniques.
2008-06-09
14,300 reads
2008-06-06
4,091 reads
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Fixing the Error
On SQL Server 2025, I have a database that has this collation: SQL_Latin1_General_CP1_CI_AS. I decide I want to run this code:
SELECT UNISTR('*3041*308A*304C*3068 and good night', '*') AS 'A Classic';
I get this error:Msg 9844, Level 16, State 4, Line 24 The char/varchar input type uses an unsupported collation. Only a UTF8 collation is supported with char/varchar input type in UNISTR function.What is the easiest way to fix this error? See possible answers