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Azure Data Engineer Associate

You can read about all the new role based qualifications from Microsoft here – https://www.microsoft.com/en-us/learning/certification-overview.aspx Today I want to talk about the Azure Data Engineer one from my experience...

2020-07-06

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Blog Post

ASF 032: Jennifer Stirrup interview

Introduction Jennifer Stirrup is a data strategist and technologist, Microsoft Data Platform Most Valuable Professional (MVP), Microsoft Regional Director, Microsoft Certified Trainer, founder of Data Relish Ltd, diversity and...

2020-07-02

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Blog Post

SQL Server Express Size Limit

My Pluralsight course for new SQL Server DBAs   (Needs to upgrade to a bigger bowl) Common scenario: Company is using SQL Server Express to save on licensing costs...

2020-07-02

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Let's Talk Certifications

By Grant Fritchey

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

By Pablo Echeverria

Comments posted to this topic are about the item The Hidden Security Risks of...

The Empty Aggregate

By Steve Jones - SSC Editor

Comments posted to this topic are about the item The Empty Aggregate

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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]
GO
What 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