MongoDB provides an efficient environment for storing document data at scale. However, most of your interactions with MongoDB will not be related to storing data but rather to querying data. The better you understand how to retrieve the data you need, the more effectively you can interact with MongoDB and support your data-driven applications. To … Read more
It is always an afterthought. New objects are created that start off small and current. New feature development takes over and the recently architected data structures become old news. Over time, data grows and suddenly a previously small table contains millions or billions of rows. Is all that data necessary? How long should it be … Read more
Introduction to the concepts of accessibility in designs We live in the height of the digital age, where the digital space has become a thriving community, with every person craving a great yet personalized experience. In this era, there is one centralized truth with undeniable clarity: Accessibility is no longer a mere option; it is … Read more
I don’t think I’ve ever had a great impression of Azure SQL Database as a place for production applications. In its early days, it was missing several important features (like data compression). While that hole has been plugged, there are still other limitations and differences you should be aware of, like T-SQL differences, lack of … Read more
Have you ever been in a situation that you want to call a cmdlet or a function with a parameter that depends on a conditional criteria that is available as a list? In this article I will show a technique where you can use PowerShell Dynamic Parameters to assist the user with parameter values. In … Read more
Packing intervals is a classic SQL task that involves packing groups of intersecting intervals to their respective continuous intervals. In mathematics, an interval is the subset of all values of a given type, e.g., integer numbers, between some low value and some high value. In databases, intervals can manifest as date and time intervals representing … Read more
Data lineage is a component of modern data management that helps organizations understand the origins, transformations, and movement of their data. It is like a road map that shows us where our data has been, how it has changed, and where it is going, just like tracking the journey of a package: from the person … Read more
Aggregation is a widely used way to summarize the content of a database. It is usually expressed with GROUP BY clause or just using aggregate functions (like COUNT or SUM). When the database engine executes a query with aggregations, it produces individual rows need to compute the required output and then performs the aggregation as … Read more
MongoDB is a document database. As such, the data is stored as individual documents. A document is a data structure made up of one or more field/value pairs. Nearly everything you do in MongoDB is either directly or indirectly related to the documents that you store in a database or move in and out of … Read more
Nearly a decade ago, I wrote a post called “Bad habits : Counting rows the hard way.” In that post, I talked about how we can use SQL Server’s metadata to instantly retrieve the row count for a table. Typically, people do the following, which has to read the entire table or index: To largely … Read more
Imagine this: you have several directories full of SQL script files, and you need to know where a certain table is used. You’d rather like the context too, so you can check the whole SQL Expression and work out why it is running so slowly. Maybe, from that same daunting set of several directories, you … Read more
I have published videos and articles before about Lakehouse maintenance. In this article I want to address a missing point for a lot of Fabric administrators: How to do maintenance on multiple lakehouses that are located in different workspaces. One of the videos I have published explains the maintenance of multiple lakehouses, but only addresses … Read more
When it comes to the development and operations (DevOps), one thing stands out as a critical aspect and that is troubleshooting. The primary goal of a DevOps team is to ensure that the product experiences zero to no downtime because every moment is crucial. Therefore, smooth delivery and uninterrupted uptime are paramount. To achieve this, … Read more
In this blog, we continue our exploration on PostgreSQL indexes which we started here. In that article, we learned what an index is, and how exactly indexes can help with query execution. But there is much more to learn about indexes! In this blog, we will keep exploring B-tree indexes. We will learn whether (and … Read more
In part one of this series, I built a state machine which runs in the background to process uploaded resumes via step functions in C#. The overall process took seconds to complete, and this made it unsuitable for actual users who demand immediate (or at least, subsecond,) results. To recap, the state machine executed two … Read more
Understanding how to join the data in one table to another is crucial for any data analyst or database developer working with a relational database. Whether you’re a beginner or an experienced SQL user, this article will help you strengthen your SQL skills and become proficient in SQL joins. With several types of joins available, … Read more
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
Subscribe for more articles
Fortnightly newsletters help sharpen your skills and keep you ahead, with articles, ebooks and opinion to keep you informed.
