If you’ve been reading these Database Fundamentals posts, you’ve already seen the WHERE clause because of your use of it when manipulating data with DELETE and UPDATE statements. It’s...
2019-10-21 (first published: 2019-10-14)
624 reads
I don’t know about you, but I like having the tools that I’m likely to use on my taskbar. That ... Continue reading
2019-10-14
99 reads
Years ago Redgate Software started some work to link our tools together. I remember early efforts, about which I had dubious thoughts as to the value. I hadn’t looked...
2019-10-21 (first published: 2019-10-14)
274 reads
The first of our new series of new look podcasts, David has a look at intent locks in SQL Server and what the purpose of them is.
2019-10-18 (first published: 2019-10-14)
208 reads
I have been working a lot of SQL Graph related queries and applications of the graph data concept to the extent possible within SQL Server’s graph capabilities. Genealogy, or...
2019-10-17 (first published: 2019-10-14)
1,204 reads
This is my second post in a series which I hope will help you (and me!) prepare for the upcoming PASS Summit November 4-8, 2019 in Seattle, Washington.
Networking, Networking!...
2019-10-14
12 reads
It’s just a couple weeks until the SQL in the City Summit comes back to London. This is our second Summit this year in London, and I’m honored to...
2019-10-17 (first published: 2019-10-11)
220 reads
Certified Microsoft Azure Fundamentals - AZ-900 1 day Web based Course - 12th December 2019
Its been a big few of weeks here at gethynellis.com. We've been accepted onto the UK...
2019-10-11
12 reads
Certified Microsoft Azure Fundamentals - AZ-900 1 day Web based Course - 12th December 2019
Its been a big few of weeks here at gethynellis.com. We've been accepted onto the UK...
2019-10-16 (first published: 2019-10-11)
381 reads
Thanks to the 56 of you who joined and actively answered my nerdy sample cert exam questions in the #PASSMarathon webinar "Think Like a Certification Exam" today. Ya'll had...
2019-10-11
40 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