PostgreSQL Boris Novikov in PostgreSQL Eager Aggregation in SQL queries Aggregation is a widely used way to summarize the content of a database. It is usually expressed with GROUP BY... 27 December 2023 15 min read
Robert Sheldon in NoSQL Introducing the MongoDB Document MongoDB is a document database. As such, the data is stored as individual documents. A document is a data structure... 26 December 2023 18 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming Counting more efficiently Nearly a decade ago, I wrote a post called “Bad habits : Counting rows the hard way.” In that post,... 20 December 2023 7 min read
Theory and design Phil Factor in Theory and design Using a SQL Tokenizer Imagine this: you have several directories full of SQL script files, and you need to know where a certain table... 18 December 2023 9 min read
BI Dennes Torres in BI Using Spark Jobs for Multiple Lakehouse Maintenance in Microsoft Fabric I have published videos and articles before about Lakehouse maintenance. In this article I want to address a missing point... 17 December 2023 12 min read
MySQL Mercy Bassey in MySQL MySQL Error Log Management in DevOps Operations When it comes to the development and operations (DevOps), one thing stands out as a critical aspect and that is... 14 December 2023 14 min read
PostgreSQL Henrietta Dombrovskaya in PostgreSQL Exploring PostgreSQL Indexes In this blog, we continue our exploration on PostgreSQL indexes which we started here. In that article, we learned what... 11 December 2023 12 min read
PostgreSQL Aboze Brain in PostgreSQL Understanding SQL Join Types Understanding how to join the data in one table to another is crucial for any data analyst or database developer... 04 December 2023 32 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming When an update doesn’t update Tell me if you’ve heard this one before: I changed data from my application, but when I checked the database,... 27 November 2023 5 min read
BI Dennes Torres in BI Source Control with GIT, Power BI and Microsoft Fabric Source control is fundamental when dealing with projects and sharing code between multiple developers. Power BI present some challenges related... 22 November 2023 24 min read
BI Fabriano Richard in BI What is Microsoft Fabric all about? In this article, we will introduce Microsoft Fabric and how it relates to Power BI Premium Capacity we will turn... 22 November 2023 11 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming Strategies for queries against bit columns Recently someone posted a question where they couldn’t quite figure out how to construct a predicate based on a bit... 20 November 2023 7 min read
Robert Sheldon in NoSQL Getting Started with MongoDB MongoDB is a scalable database management system that stores data as documents in a collection, rather than as rows in... 13 November 2023 18 min read
Theory and design Joe Celko in Theory and design The NTILE Function The SQL NTILE() is a window function that allows you to break a table into a specified number of approximately... 09 November 2023 8 min read
Database Administration Aaron Bertrand in Database Administration Moving SQL Server To The Cloud: Modernizing Stack Overflow for Teams Earlier this year, we migrated the entire Stack Overflow for Teams platform to Azure. This was a lengthy endeavour and... 06 November 2023 11 min read
Blogs Louis Davidson in Blogs Creating an Azure PostgreSQL cluster and connecting to it One of the technologies that my new job brought with it was learning about all the various database platforms that... 04 November 2023 7 min read
PostgreSQL Ryan Booz in PostgreSQL Getting connected to PostgreSQL for the first time PostgreSQL continues to be all the rage in 2023, whether in “vanilla” form of the fully open-source distribution or a... 03 November 2023 14 min read
BI Dennes Torres in BI SQL Endpoints and Lakehouse UI Differences and Access Secrets There are some differences and secrets between the UI of a SQL Endpoint and the UI of a Lakehouse. I... 30 October 2023 7 min read
T-SQL Programming Edward Pollack in T-SQL Programming Exporting and Importing Data into SQL Server Using Files There are plenty of applications and tools available that allow for the movement of data in and out of SQL... 23 October 2023 23 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming Don’t use DISTINCT as a “join-fixer” I’ve quietly resolved performance issues by re-writing slow queries to avoid DISTINCT. Often, the DISTINCT is there only to serve... 16 October 2023 6 min read
