Configuration of SQL Server Always on in Azure Virtual machines differs in multiple ways comparing with the on-premise Implementations. This article will help you to have a handy note to configure always on in Azure servers from a DBA perspective.
2020-09-04 (first published: 2018-12-06)
14,710 reads
In this article we look at how to use PowerShell to transfer data from SQL Server to MySQL.
2020-09-04
PostgreSQL is a free database management system (DBMS). PostgreSQL 11 is the new version of this DBMS. We will take a look at how to install PostgreSQL 11 on Windows. This article covers where to download PostgreSQL 11, how the installation process looks like, and how to connect to the PostgreSQL server. Step-by-Step Installation on Windows […]
2020-09-03
21,980 reads
In this article we look at different ways to determine if one SQL Server database object is dependent on another database object.
2020-09-03
2020-09-02
Filters are used by Redgate's SQL Compare, SQL Source Control, DLM Dashboard, and SQL Change Automation. A typical use for a filter is to work on just one schema within a database or just a limited set of tables and routines. You would also want to use a filter to exclude certain object, such as database users, from comparisons. Phil Factor explains how they work, and how to create, edit and then use them within the various Redgate tools.
2020-09-02
Finally, two important SQL Server recommended settings have been introduced during the installation process. These are the settings that every DBA (should) change after every single installation. The settings are MaxDOP and Max Memory. This article looks at each of these settings and how they are presented during installation. MaxDOP When an instance of SQL […]
2020-09-01
10,418 reads
This article will demonstrate how to get started with Delta Lake using Azure Data Factory's new Delta Lake connector through examples of how to create, insert, update, and delete in a Delta Lake.
2020-09-01
A proper relationship between two people, places or things improves the communication between them. In every real-world based application, this logic holds and a database is no different. This article discusses the different relationship types possible between database objects. The designing of these relationships between them is called modeling, and the three types of relationships […]
2020-08-31
7,886 reads
Many people with tech careers did not follow a straight path to get there. In this article, Pamela Mooney gives some advice for those who would like to be a DBA.
2020-08-31
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...
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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