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
8,144 reads
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
8,144 reads
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)
34,100 reads
Continuing with Part II of his auditing series, Gsquared takes a look at active auditing techniques for your SQL Server.
2008-06-10
10,510 reads
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
14,426 reads
2008-06-06
4,104 reads
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Comments posted to this topic are about the item Let's Talk Certifications, which is...
Comments posted to this topic are about the item The Hidden Security Risks of...
Comments posted to this topic are about the item The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers