Upcoming speaking engagements
The last time I presented a session was at the final PASS Summit in November 2020, so it is time to get back on the virtual conference trail again....
2021-04-07
19 reads
The last time I presented a session was at the final PASS Summit in November 2020, so it is time to get back on the virtual conference trail again....
2021-04-07
19 reads
I’ve been doing SQLskills training recently, and Paul Randal (blog | Twitter) reminded our class that zeroing out a transaction log file does not use zeroes (0x00). Well, not...
2021-03-31
52 reads
I recently wrote about how I teach, in response to a T-SQL Tuesday post from 2010. This is a continuation of that theme, suggested by my own editor. Thanks,...
2021-03-26 (first published: 2021-01-13)
195 reads
For those of us who have been involved in the Microsoft Data Platform community for a few years, the events of the last few months have been dramatic, culminating...
2021-03-24
31 reads
This is my ongoing series of answering T-SQL Tuesday posts far too late to be of any use. Click here if you want to read previous entries. Paul Randal...
2021-03-17
152 reads
(If you would like to read the previous T-SQL Tuesday Retrospective entries, visit this link.) In October 2010, Sankar Reddy asked us which misconceptions we’ve been labouring under when...
2021-03-16 (first published: 2021-03-10)
320 reads
SQL Server is a complex beast, with many configuration options that can range from recommended to completely avoided. Since the release of SQL Server 2016, several options that were...
2021-03-03
74 reads
After the Professional Association of SQL Server (PASS) unceremoniously closed down in January this year and its video library & brand names were bought by Red Gate Software Ltd, it...
2021-02-24
108 reads
This Wednesday, from 5pm to 7pm Mountain Standard Time, the Calgary Data User Group is presenting two sessions for your virtual attendance. 15 minutes: A lightning talk on Kubernetes...
2021-02-22
36 reads
Some years ago, I wrote about what it means to be “professional” (and that it doesn’t mean having to wear a suit and tie). Recently a conversation broke out...
2021-02-10
187 reads
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Comments posted to this topic are about the item Let's Talk Certifications
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