Dennes Torres

Dennes Torres is a Data Platform MVP and Software Architect living in Malta who loves SQL Server and software development and has more than 20 years of experience. Dennes can improve Data Platform Architectures and transform data in knowledge. He moved to Malta after more than 10 years leading devSQL PASS Chapter in Rio de Janeiro and now is a member of the leadership team of MMDPUG PASS Chapter in Malta organizing meetings, events, and webcasts about SQL Server. He is an MCT, MCSE in Data Platforms and BI, with more titles in software development. You can get in touch on his blog https://dennestorres.com or at his work https://dtowersoftware.com

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06 March 2023
06 March 2023

Synapse Serverless and Dedicated Pool: The differences no one told you about

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The basic differences between Synapse Serverless and the Dedicated pool are obvious: While the serverless doesn’t store data, only access data from storage accounts and scale the MPP environment automatically, the dedicate SQL Pool keeps a static number of servers according to the service level we choose and a constant number of distributions – always … Read more
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03 January 2023
03 January 2023

Azure Function and User Assigned Managed Identities

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Let’s talk about authentication between Azure Functions and resources used by Azure Functions and conclude with many poorly documented secrets about how to use User Assigned Managed Identity. When we build Azure functions, they usually need to authenticate against other Azure resources: Azure SQL Database, Storage Accounts, Service Bus and many more. Each of these services … Read more
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19 December 2022
19 December 2022

SQL Server 2022: How Auto-Drop Statistics Work

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Auto-Create statistics is a well-known feature critical for the database performance. When one statistic is auto created, changing the table structure is not blocked by the presence of the statistic. An auto-created statistics is also dropped automatically when a schema change happens. On the other hand, if the statistic is created by the user, any … Read more
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12 December 2022
12 December 2022

What’s new on Power BI DataMarts UI

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I wrote an article about Power BI Datamarts which was released together the feature, on the exact moment it was being announced in a conference. Of course, this feature has being evolved since that time. I would emphasize the performance. The general UI performance seems way better than when it was first released. Let’s talk … Read more
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21 November 2022
21 November 2022

SQL Server 2022: Azure AD Authentication

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SQL Server 2022 is finally GA and one of the features I was most expecting is finally available. It’s the allows Azure AD Authentication. Azure AD users can access SQL Server directly, without a second user account. SQL Server on premises requires Azure ARC to be integrated to Azure. Azure VMs, on the other hand, … Read more
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30 August 2022
30 August 2022

.NET App Services: Containers or not containers, that’s the question

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The app services in the title can be function apps, web apps or more. We can deploy the app services on the native app service environment provided by Microsoft or using containers. What’s the different between using the native environment or using containers? The differences aren’t many and it’s not easy to identify when it’s … Read more
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04 July 2022
04 July 2022

What’s new in T-SQL in SQL Server 2022

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There are many new features in SQL Server 2022. In relation to T-SQL querying, there are a few as well and they usually are left for last in face of many other new optimization features. Sample scenario These samples are built on the AdventureWorksDW2019 database installed in a SQL Server 2022 CTP 2. Date_Bucket Let’s … Read more
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27 June 2022
27 June 2022

Parameterizing Azure Policy and Ensuring Azure SQL AD Authentication

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I wrote before about enforcing Azure SQL AD Authentication using Azure Policies in two different ways. First, only auditing if the Azure SQL is using AD Authentication or not. Later, automatically enabling the AD Authentication on Azure SQL Servers where this authentication is not enabled. What about if we could create one single policy definition … Read more
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