Jenkins serves as an open-source automation server with widespread application in the realm of software development, primarily focusing on continuous integration (CI) and continuous delivery (CD). Its core purpose revolves around streamlining the management and automation of diverse tasks associated with software project development, including building, testing, and deployment. Jenkins effectively empowers development teams to … Read more
Tell me if you’ve heard this one before: I changed data from my application, but when I checked the database, I couldn’t see the change! I’ve seen this. Loads. It can be quite perplexing for folks because they expect to see an error message if the insert, update, or delete failed. I put this post … Read more
Docker is an open-source platform that enables developers to automate the deployment and management of applications using containerization. It was created by Solomon Hykes and his team at Docker, Inc., and was first released in 2013. Docker allows developers to package their applications and their dependencies into lightweight, portable containers that can run consistently across … Read more
Source control is fundamental when dealing with projects and sharing code between multiple developers. Power BI present some challenges related to source control. But it’s finally providing us with a solution to these challenges. Let’s analyse this piece-by-piece. According to your previous knowledge, you may would like to skip some section of this article. This … Read more
In this article, we will introduce Microsoft Fabric and how it relates to Power BI Premium Capacity we will turn to the mechanics of capacity utilization, and we will briefly look at how to monitor the performance loads of our Fabric resources. In a future article we will dive into performance tuning of Fabric workloads. … Read more
Recently someone posted a question where they couldn’t quite figure out how to construct a predicate based on a bit parameter. They tried to write a procedure like this, which wouldn’t parse, of course: I explained that you can’t have control-of-flow inside a SQL statement like that, at least not in T-SQL. And that the … Read more
A Content Management System (CMS) is a software application that allows users to handle digital content on a website without specialized technical knowledge. It provides an intuitive interface for non-technical users to add, edit, and organize content such as text, images, videos, and other multimedia elements. The generation and broad distribution of website content can … Read more
Accessibility should not be an afterthought In a world that thrives on connectivity and progress, the concept of accessibility has emerged as a fundamental bridge that connects diverse individuals to a shared digital landscape. Accessibility goes beyond mere convenience; it embodies the principles of equity and inclusion, ensuring that information, activities, and environments are not … Read more
MongoDB is a scalable database management system that stores data as documents in a collection, rather than as rows in a table, such as you’d find in a relational database system. A document is an object made up of one or more field and value pairs that contain related data. A field’s value can be … Read more
The SQL NTILE() is a window function that allows you to break a table into a specified number of approximately equal groups, or <bucket count>. For each row in a grouping, the NTILE() function assigns a bucket number representing the group to which the row belong starting at one. The syntax of the NTILE() function … Read more
Earlier this year, we migrated the entire Stack Overflow for Teams platform to Azure. This was a lengthy endeavour and Wouter de Kort, one of our core engineers, wrote about multiple technical aspects of the project in these posts: Journey to the cloud part I: Migrating Stack Overflow Teams to Azure Journey to the cloud … Read more
PostgreSQL continues to be all the rage in 2023, whether in “vanilla” form of the fully open-source distribution or a variant like Amazon RDS, Neon, Yugabyte, and others. If you’re interested in trying PostgreSQL but only have experience with another database like SQL Server, it can feel a bit daunting to get started. In this … Read more
There are some differences and secrets between the UI of a SQL Endpoint and the UI of a Lakehouse. I believe the lakehouse UI was changed recently, otherwise you can blame me for being distracted to this level. Let’s analyze the differences and pending points between these UI’s. SQL Endpoints When using a SQL Endpoint, … Read more
Recently I spoke at SQL Saturday Denver. The day after the conference we went to visit Pikes Peak Mountain. You have a couple of choices of how you can get to the top of Pikes Peak Summit: hike, drive, or take the Cog railway. Each method has its own advantages and disadvantages. If you take … Read more
There are plenty of applications and tools available that allow for the movement of data in and out of SQL Server. Some tools are built by Microsoft, such as SSIS or Azure Data Factory. Others are created by third parties, such as Databricks or Snowflake. Still other available options make use of SQL Server features … Read more
Organizations of all types and sizes are turning to the cloud for their application and data storage requirements. The cloud makes it possible for them to deploy their workloads more quickly and to scale them up and down as requirements change. Not only does this increase the organization’s flexibility, but it also frees up IT … Read more
I’ve quietly resolved performance issues by re-writing slow queries to avoid DISTINCT. Often, the DISTINCT is there only to serve as a “join-fixer,” and I can explain what that means using an example. Let’s say we have the following grossly simplified schema, representing customers, products, and product categories: And then we have tables for orders … Read more
Protecting and controlling access to your data against unauthorized person(s) is crucial in any organization. Unauthorized entry or modification of your data can lead to severe and sometimes irreversible damage. Just like we mentioned at the beginning of this series, MySQL Replication is a process where data from one MySQL database known as the source … Read more
In the previous blog in this series, we learned how to produce, read and interpret execution plans. We learned that an execution plan provides information about access methods, which PostgreSQL use to select records from a database. Specifically, we observed that in some cases PostgreSQL used sequential scan, and in some cases index-based access. It … Read more
Dr. Codd first described the relational model in a paper in Communications of the ACM (CACM 13 No 6; June 1970). Some more work followed up after that by other people, giving us normal forms and other things we have taken for granted for 50+ years. I was looking at some postings on a SQL … Read more
