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
9,167 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
15,270 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
14,656 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
3,697 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
898 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
1,652 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
2,522 reads
I realized I never created a post to show how to deploy Terraform from...
By Steve Jones
I’m late to the party this month. Taiob Ali has a great invite for...
This month’s TSQL Tuesday invite is from my good friend, long standing MVP and...
Comments posted to this topic are about the item Building a Database Dashboard with...
Good morning, I've noticed my CDC job running for 17 days. I've noticed it...
We have recently upgraded from SQL Server 2016 to 2022 Standard Edition. Our nightly...
I am creating a trigger in SQL Server 2022 and want to detect a change in a table. Here is my table DDL:
CREATE TABLE CustomerLarge ( CustomerID INT NOT NULL IDENTITY(1,1) CONSTRAINT CustomerLargePK PRIMARY KEY CLUSTERED , CustomerName VARCHAR(20) , CustomerContactFirstName VARCHAR(40) , CustomerContactLastName VARCHAR(40) , Address VARCHAR(20) , Address2 VARCHAR(20) , City VARCHAR(20) , CountryCode CHAR(3) , Postal VARCHAR(20) , creditlimit INT , discount numeric(4,2) , lastorderdate DATETIME , lastorderamount NUMERIC(10,2) , lastordercontact VARCHAR(20) , created DATETIME , modified DATETIME , modifiedby VARCHAR(20) , statusid INT , active BIT , customersize INT , primarysalesid INT) GOIf I want to detect that the creditlimit was updated, what IF statements should I use? See possible answers