T-SQL Tuesday 109: Influence Somebody Recap
Small tokens of gratitude and small actions help to build this wonderful SQL Community that gives and gives and gives. Humility leads us to seek out ways to give...
2018-12-18
13 reads
T-SQL Tuesday 109: Influence Somebody Recap
How have you impacted somebody in the community?
This month I am in charge of the topic for TSQLTuesday. The invite...
2018-12-18
231 reads
Seeing WriteLog wait type on your SQL Server?
One of the more common wait types for SQL Server is called WriteLog. In its most basic form it is...
2018-12-27 (first published: 2018-12-18)
3,686 reads
Visualizing Merge Join Internals And Understanding Their Implications
This post is part 2 in a series about physical join operators (be sure to check out part 1 – nested...
2018-12-31 (first published: 2018-12-18)
3,003 reads
Visualizing Merge Join Internals And Understanding Their Implications
This post is part 2 in a series about physical join operators (be sure to check out part 1 - nested loops joins, and part 3 - hash match...
2018-12-18
16 reads
Visualizing Merge Join Internals And Understanding Their Implications
This post is part 2 in a series about physical join operators (be sure to check out part 1 - nested loops joins, and part 3 - hash match...
2018-12-18
29 reads
Meetup Pro for Non Profits
We use Meetup for SQLOrlando. We have enough members that we have to pay for the service and it works...
2018-12-18
259 reads
Clustered Column Store Load Pitfalls – Magic number 64 when using WHERE IN clause
The Problem
During our workload we have recognized a difference in performance for queries using IN clause. We are building query...
2018-12-18
184 reads
MongoDB – Docker Install
Docker and Container making my life great. these days I can explore every thing using this. I have installed MongoDB...
2018-12-18
314 reads
SSIS Catalog Execution Parameter Values
When doing any new development or major overhaul of existing SSIS architecture, I almost always recommend to clients that they deploy those packages to the SSIS catalog. Using the...
2018-12-18
29 reads
Blogs
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
The flight recorder: Replaying what an AI agent did on my SQL Server
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
Announcements from the Microsoft Fabric Community Conference — Barcelona 2026
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications
The Hidden Security Risks of Role Combination in SSAS Tabular
Comments posted to this topic are about the item The Hidden Security Risks of...
The Empty Aggregate
Comments posted to this topic are about the item The Empty Aggregate
Question of the Day
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