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PostgreSQL Constraints: Learning PostgreSQL with Grant

One of the most important aspects of data management is the ability to ensure that the data in your database is well defined and consistent. Some aspects of that are ensured through the relational data structures you design. Another piece of control is using the correct data type. Then, we get to constraints. A constraint is a way to validate data prior to adding it to your database. This is one more tool in the toolbox that helps you maintain good data.

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The future of AI in solving database challenges

The conversation around Artificial Intelligence (AI) is not a new subject to the database space, but the recent rise in machine learning tools like ChatGPT have sparked increased focus on new ways to simplify existing DBA challenges.

Join Redgate’s own DevOps Advocate, Steve Jones, along with webinar guests Kellyn Pot’Vin-Gorman (Principal Cloud Solution Architect, Microsoft) and Brian Randell (Product Marketing Director, Github) to discuss how AI could help manage complex database ecosystems.

SQLServerCentral Editorial

The Human Factor

A week ago I was in Pasadena attending the SCaLE 20x conference, a gathering of many different open-source communities discussing the technologies and platforms that draw them together. I was fortunate enough to hear some excellent presentations on PostgreSQL and give two talks as well. After the first round of talks on Friday morning a […]

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Question of the Day

BIT_COUNT I

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 3;

See possible answers