SQL Server identity column
The SQL Server identity column is used to populate a column with incrementing numbers on insert. In this article, Greg Larsen explains how it works.
2021-09-13
Additional Articles
Oracle sequences – 12c features including “identity”
Oracle added several enhancements to the sequence object in version 12c, including an “identity” column feature. Jonathan Lewis explains how to work with these new features.
2021-09-10
Register Now For PASS Data Community Summit 2021
Registration is now open for our free and online data platform conference. Join 1000s of your data peers at PASS Data Community Summit and get access to up to 5 days of training, sessions, networking activities, and events. This year's program has been carefully designed to help you achieve your goals, wherever you are in your data career.
2021-09-10 (first published: 2021-09-03)
Disable or Enable All SQL Server Agent Jobs
In this article we look at a PowerShell script that you can use to centrally enable and disable any SQL Server Agent Job on any instance of SQL Server.
2021-09-08
One Flyway Migration Script for Diverse Database Systems
How to create a single set of SQL migration scripts for Flyway that we can use across multiple database systems, or for all regional variants of a database.
2021-09-08
Plotting in Python for Financial Time Series Data for Exponential Moving Averages
Learn how to plot a financial time series using SQL Server data and Python to reveal the value of exponential moving averages and make decisions about time series values.
2021-09-06
Sharing knowledge in communities of practice
Communities of practice bring people together to share ideas and learn from each other about a common interest. In this article, Robert Sheldon explains and gives some advice on starting them.
2021-09-06
Create, Populate, and Subset a Pandas Dataframe from a CSV File
In this article we demonstrate how to transfer data via a CSV file from a SQL Server database to a Pandas dataframe and then subset the dataframe in Python.
2021-09-03
Discovering What’s Changed by Flyway Migrations
A set of PowerShell cmdlets that will 'diff' two versions of a database and provide a high-level overview of the major database changes made by successive Flyway migrations. You can 'diff' a SQL Server database to the same one on PostgreSQL and find out which objects are the same and which are different.
2021-09-01
Join SQL Server tables where columns include NULL values
Dealing with NULL values especially when joining tables can become a challenge. Let's take a look at this issue and how this can be resolved.
2021-09-01
Blogs
The Book of Redgate: SQL Server Central
By Steve Jones
It was neat to stumble on this in the book, a piece by me,...
Git forked
Forgive me for the title. Mentally I’m 12. When I started my current day...
Setting FK Constraints in Data Modeler
By Steve Jones
One of the things a customer asked recently about Redgate Data Modeler was how...
Forums
Microsoft Security Changes and SQL Server
Comments posted to this topic are about the item Microsoft Security Changes and SQL...
Expanding into Print
Comments posted to this topic are about the item Expanding into Print
Downtime Caused by the Postgres Transaction ID Wraparound Problem
Comments posted to this topic are about the item Downtime Caused by the Postgres...
Question of the Day
The String Distance I
In SQL Server 2025, what is returned by this code:
SELECT EDIT_DISTANCE('Steve', 'Stan')
Assume preview features are enabled. See possible answers