Triggers

External Article

Triggers: Threat or Menace?

  • Article

Triggers are generally over-used in SQL Server. They are only rarely necessary, can cause performance issues, and are tricky to maintain If you use them, it is best to keep them simple, and have only one operation per trigger. Joe Celko describes a feature of SQL that 'gets complicated fast'.

2017-01-03

3,807 reads

Blogs

Advice I Like: Respect

By

“Don’t aim to have others like you; aim to have them respect you.” –...

Blue Sky Programming – The Optimism Trap

By

Many years ago, before I joined Oracle, I was working on a major modernisation...

Setting Up a Mac for Data Engineering and AI Work

By

If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...

Read the latest Blogs

Forums

SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About

By Terry Jago

Comments posted to this topic are about the item SQL Art, Part 4: Happy...

locking down agent for new user on our dev machine

By stan

hi , a new user wants to be able to add sql agent jobs...

SQL Server Enum Implementation: A Single-Row View Strategy for Avoiding Magic Values

By Ivica Borscak

Comments posted to this topic are about the item SQL Server Enum Implementation: A...

Visit the forum

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