SELECT COUNT(*) vs COUNT(1) vs COUNT(ColumnName)
What is the difference between COUNT(*), COUNT(1) and COUNT(ColumnName)? A mystery that will never be known… ok that was a...
2011-09-15
13,140 reads
What is the difference between COUNT(*), COUNT(1) and COUNT(ColumnName)? A mystery that will never be known… ok that was a...
2011-09-15
13,140 reads
Those who know me will know that this post is a little out of the ordinary… I am posting about...
2011-08-12
2,996 reads
I’ll be honest, I am partially writing this because I always forget how to reset the identity column on a...
2011-08-11
1,313 reads
First of all if you came out to my webinar this morning let me say a huge thank you! I...
2011-08-10
627 reads
Tomorrow I will be presenting a webinar at 11 AM eastern time for the Pragmatic Works Training on the T’s. ...
2011-08-08
897 reads
SQL Saturday in South Florida is quickly approaching in just 2 short weeks. As usual, if you are in the...
2011-08-03
643 reads
Oh no you, you got the Could not load type ‘Microsoft.AnalysisServices.SharePoint.Integration.ReportGalleryView’ error!!! What to do now? Why did you get...
2011-08-02
1,052 reads
SQL Saturday #85 is quickly approaching. It will be held in sunny Orlando, FL so if you live in the...
2011-07-30
2,048 reads
One of the most annoying processes with SharePoint is backing up a site collection. There is a build in tool...
2011-07-13
1,794 reads
It has been a few weeks since I last posted. I know, I’m a slacker, thanks for pointing that out. ...
2011-07-10
385 reads
By Vinay Thakur
As this is an Artificial Intelligence (AI) World, things are changing. We can see that...
In a containerized app, React and Chakra UI provide a robust and accessible user...
By Steve Jones
nachlophobia – n. the fear that your deepest connections with people are ultimately pretty...
Hello I need help identifying all records that have consecutive hours (time in order)...
hi, I have a table called Rules Create table Rules ( Id int ,...
I am currently upgrading a very old database running SQL Server 2008 to SQL...
What is returned from this query?
SELECT ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh WHERE soh.OrderDate >= '01/01/2011' AND soh.OrderDate < '01/01/2012') AS OrdersIn2011 , ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh WHERE soh.OrderDate >= '01/01/2012' AND soh.OrderDate < '01/01/2013') AS OrdersIn2012 , ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh WHERE soh.OrderDate >= '01/01/2013' AND soh.OrderDate < '01/01/2014') AS OrdersIn2013;See possible answers