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
7,997 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)
33,824 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
14,302 reads
2008-06-06
4,093 reads
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Adding and Dropping Columns II
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Question of the Day
Adding and Dropping Columns II
I have this table in my SQL Server 2022 database:
CREATE TABLE [dbo].[CityList] ( [CityNameID] [int] NOT NULL IDENTITY(1, 1), [CityName] [varchar] (30) , [Country2] [char] (3), [stateprovince2] [char] (2), [Country] [char] (3), [stateprovince] [char] ) ON [PRIMARY] GOI decide to drop the stateprovince2 and country2 columns. What code should I use? See possible answers
