How to Expand a Range of Dates into Rows using a SQL Server Numbers Table
In this article we look at different T-SQL code examples that can help you build a range of date rows based on a starting and ending date.
2020-07-28
Articles
SQL Server 2012 does not come up after service pack upgrade SP4
A failed SQL Server Service Pack upgrade is fixed with a trace flag.
2020-07-27
5,878 reads
SQL Server TempDB Tutorial
In this article we cover many different questions about the SQL Server TempDB database to give a better understanding of what is and what it is used for.
2020-07-27
2020-07-24 (first published: 2018-12-27)
4,865 reads
SQL Server Backup Monitoring with PowerShell
In this part of the series we look at how to use the PowerShell monitoring scripts to collect backup information from your monitored instances.
2020-07-24
SQL Server MSDB Database Tutorial
In this tutorial we will cover common questions related to the SQL Server msdb database. This is one of the standard system databases that are part of every SQL Server installation. This tutorial will give you a better idea of what the msdb database.
2020-07-23
Automate Database Restore for SQL Server
In this article we look at how to automate a SQL Server database restore using a PowerShell script.
2020-07-22
TDE BYOK and Geo-Replication in Azure SQL DB
Recently a customer asked me for help with setting up a test of an Azure SQL Database in the single database tier with Geo-Replication to work with Transparent Data Encryption (TDE) with a customer-managed key, also known as Bring Your Own Key (BYOK). It is very simple to do it when you use service-managed keys, […]
2020-07-21
2,619 reads
Power BI Incremental Refresh for SQL Sources
In this article we look at the incremental refresh feature when working with Power BI data sources and how to implement for your reports.
2020-07-21
Loading data in Azure Synapse Analytics using Azure Data Factory
This article shows a basic Azure Data Factory pipeline to load data into Azure Synapse.
2020-07-20
11,241 reads
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Let's Talk Certifications
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The Hidden Security Risks of Role Combination in SSAS Tabular
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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