TF-IDF in .NET for Apache Spark Using Spark ML v2
Spark ML in .NET for Apache Spark Apache Spark has had a machine learning API for quite some time and this has been partially implemented in .NET for Apache...
2020-12-19
94 reads
ETL Antipattern: Load Processes that Don’t Scale
One of the most significant design considerations in ETL process development is the volume of data to be processed. Most ETL processes have time constraints that require them to...
2020-12-19
14 reads
ETL Antipattern: Load Processes that Don’t Scale
One of the most significant design considerations in ETL process development is the volume of data to be processed. Most ETL processes have time constraints that require them to...
2020-12-19
271 reads
Placing my Bid for SQLSaturday.com
I’m making my bid. I don’t know this brand needs to continue, or that it will, but I’d like to hold this for posterity, at least in an interim...
2020-12-24 (first published: 2020-12-18)
418 reads
Speaker Guidance: Save Your Data
The PASS organization (and likely SQL Saturday) are shutting down their sites on 15 Jan, 2021. This means that potentially lots of links and data will disappear. There are...
2020-12-29 (first published: 2020-12-18)
302 reads
ETL Antipattern: Failure to Test and Validate
“If it compiles, it works.” – An unemployed developer Building ETL processes is quite easy. Building ETL processes that deliver accurate results as quickly as possible is substantially more...
2020-12-18
18 reads
ETL Antipattern: Failure to Test and Validate
“If it compiles, it works.” – An unemployed developer Building ETL processes is quite easy. Building ETL processes that deliver accurate results as quickly as possible is substantially more...
2020-12-18
30 reads
Daily Coping 18 Dec 2020
I started to add a daily coping tip to the SQLServerCentral newsletter and to the Community Circle, which is helping me deal with the issues in the world. I’m...
2020-12-18
32 reads
SQLSaturday is dead, long live DataSaturdays
This is a very brief post to inform you that PASS has died, killed by the for-profit company behind it. That’s sad beyond words, but we, as a community,...
2020-12-28 (first published: 2020-12-18)
1,013 reads
Workout Wednesdays for Power BI in 2021
I’m excited to announce that something new is coming to the Power BI community in 2021: Workout Wednesday! Workout Wednesday started in the Tableau community and is expanding to...
2020-12-30 (first published: 2020-12-18)
378 reads
Blogs
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...
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications, which is...
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