Explore the Role of Normal Forms in Dimensional Modeling
In this tip we walk through an exercise of developing a data model based on the characteristics of the data requirements.
In this tip we walk through an exercise of developing a data model based on the characteristics of the data requirements.
Three SQL Server MVPs (Jonathan Kehayias, Ted Krueger and Gail Shaw) provide fascinating insight into the most common SQL Server problems, why they occur, and how they can be diagnosed using tools such as Performance Monitor, Dynamic Management Views and server-side tracing. The focus is on practical solutions for removing root causes of these problems, rather than "papering over the cracks".
SQL Monitor v11 introduces native support for SQL Server instances hosted on Amazon Web Services (AWS) Relational Database Service (RDS) platform. In this post we'll explore the metrics you need to keep an eye on with Amazon RDS SQL Server monitoring, how a monitoring tool will help you manage the process of migrating databases to the Amazon cloud, as well as measures its success, and how SQL Monitor allows you to monitor all your SQL Server instances, wherever they are hosted, through a single pane of glass.
Learn how to easily identify and remove duplicate records when you discover them.
No matter what you need, Azure probably has a solution. In this article Diogo Souza demonstrates how to host a static web page in Azure in just a few steps with Azure Blob Storage and Azure CDN.
Introduction NoSqlOnSql is a strict syntactical superset of SQL; it adds NoSQL document-oriented capabilities to the SQL language. For this, it uses uses JSON-like documents, integrating them into the normal flow of SQL statements. NoSqlOnSql is based on augmenting a SQL database to support NoSQL features without any kernel changes. In this sense it is […]
SSMs and ADS are the new tools for SQL Server and the data platform, both of which are now available separately from SQL Server.
In this article we look at how to manage Power BI workspaces using PowerShell cmdlets.
Phil Factor reviews the major features of SSMS IntelliSense and autocomplete and then explains how SQL Prompt fills in the gaps, and how to use to use the two in tandem to 'get the best of both worlds'.
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By ReviewMyDB
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I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers