Well-formatted scripts are always easier to maintain and enhance readability to high degree. Formatting standards are an important part of coding standards anywhere and if not, they need to be. If there are a large number of scripts this can add up to a significant amount of time needed to maintain them. It is also […]
2021-08-27
8,120 reads
SQL Server 2017 introduced the concept of graph data tables as part of the SQL Server database engine. With SQL Server 2019, there were some enhancements like ‘shortest path’ function and constraints on edge tables that make this feature more usable – although it is far from a full-fledged graph database. Graph tables are essentially […]
2019-12-23
14,970 reads
Temporal tables a.k.a Table Versioning was introduced in SQL Server 2016 and is an easy, convenient way to track changes to data. A good introduction to temporal tables can be found here. One of the key advantages of versioning tables is easy of querying – or getting a ‘single pane of glass’ look of how […]
2019-07-29
13,830 reads
This article is a case study and an attempt to explain an interesting phenomenon with data anomalies that is commonly called Simpson's Paradox.
2017-01-10
3,665 reads
SQL Server 2016 does not allow computed columns to co exist with columnstore indexes and clustered btree indexes on same table.
2016-12-29
825 reads
In this post I will attempt to explore simple commands to manipulate data pulled in from a SQL database into R.
2016-10-20
1,615 reads
Simple steps towards understanding what is an Odds Ratio, and how do we arrive at it using TSQL and R scripts.
2016-08-30
2,431 reads
By Will Assaf
I recently reviewed, worked on, and added a similar example to the DATETIMEOFFSET Microsoft...
Database administrators (DBAs) are the backbone of data-driven organizations. If you're looking to break...
By Brian Kelley
Another security fundamentals topic is authentication versus authorization. For those who have a clear...
I have a SQL Server 2019 Enterprise Edition on CU 25. It has in-memory...
Experts, I am learning some skills so I can troubleshoot some performance-related issues. I...
What happens when I run this code:
SELECT p.ProductName , p.ProductCategory FROM dbo.Product AS p WITH (NOLOCK, TABLOCK);See possible answers