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
Ben Johnston in SQL Server SQL Server Security Primer SQL Server security structure, mechanisms and methods are very thoroughly documented in the Microsoft documentation, but it is quite daunting... 15 October 2023 37 min read
MySQL Aisha Bukar in MySQL A Beginners Guide To MySQL Replication Part 6: Security Considerations in MySQL Replication Protecting and controlling access to your data against unauthorized person(s) is crucial in any organization. Unauthorized entry or modification of... 12 October 2023 10 min read
Featured Henrietta Dombrovskaya in Featured PostgreSQL Indexes: What They Are and How They Help In the previous blog in this series, we learned how to produce, read and interpret execution plans. We learned that... 09 October 2023 13 min read
Theory and design Joe Celko in Theory and design First Normal Form Gets No Respect Dr. Codd first described the relational model in a paper in Communications of the ACM (CACM 13 No 6; June... 05 October 2023 13 min read
Performance Aaron Bertrand in Performance Normalize strings to optimize space and searches While this article is specifically geared to SQL Server, the concepts apply to any relational database platform. The Stack Exchange... 02 October 2023 9 min read
T-SQL Programming Itzik Ben-Gan in T-SQL Programming T-SQL Fundamentals: Controlling Duplicates When people start learning a new field, for example T-SQL, it’s tempting to spend very little time trying to understand... 28 September 2023 20 min read
MySQL Robert Sheldon in MySQL MySQL joins Tables in a MySQL database are commonly related to one another, often in multiple ways, and it is only by... 25 September 2023 27 min read
