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
9,097 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
15,250 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
14,609 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
3,688 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
895 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
1,648 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
2,518 reads
By Steve Jones
I had someone ask me about using triggers to detect changes in their tables....
By Kevin3NF
Things your cloud vendor may not tell you Here’s a common theme I...
By Rohit Garg
🎥 Columnstore Indexes in SQL Server – A Practical Guide with Real-World Examples 🔍...
I will have to test this next week, but will not have a chance...
I want to add a condition in the joining columns part of the merge...
Hi everyone SUM function has the option to select ROWS BETWEEN parameter to allow...
I have a table of products in SQL Server 2022. There are sequential items in the table with ProductIDs of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. If I run this code, how many rows are returned?
SELECT * FROM dbo.Products WHERE ProductID BETWEEN 4 AND 7;See possible answers