2015-07-14
2,499 reads
T-SQL
How to Get NULLs Horribly Wrong in SQL Server
NULLs in SQL are a mixed blessing. The Three-Valued Logic of SQL has its uses but can cause difficulties to anyone who assumes that NULL has a 'value'. It can make reports go horribly wrong in a number of alarming ways, as Robert Sheldon explains.
2015-07-14
8,842 reads
2015-07-13
1,565 reads
2015-07-08
1,964 reads
2015-07-06
2,034 reads
2015-07-01
1,924 reads
2015-06-30
1,960 reads
2015-06-29
2,207 reads
2015-06-25
1,789 reads
2015-06-24
1,943 reads
Blogs
Did You Really Name That Default?
By alevyinroc
Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
Monday Monitor Tips: A New Analysis Page
By Steve Jones
We have multiple teams (8) working on Redgate Monitor. Some work on the Standard...
Case Studies: Real-World Success Stories of FinOps Implementation
By HeyMo0sh
Learning any kind of theory is easy, but adapting FinOps and watching it rescue...
Forums
The day-to-day pressures of a DBA team, and how we can work smarter with automation and AI
Comments posted to this topic are about the item The day-to-day pressures of a...
The Problem Isn't Always Your Query or Schema... Sometimes It's Hidden Assumptions
Comments posted to this topic are about the item The Problem Isn't Always Your...
Identity Defaults
Comments posted to this topic are about the item Identity Defaults
Question of the Day
Identity Defaults
What happens when I run this code?
CREATE TABLE dbo.IdentityTest
(
id int IDENTITY(10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
See possible answers