Key Sets, or Inverted Keys - defining a key as a set of tuples
TL;DR:
I have been doing a lot of thinking about data models for the last couple of weeks. I have, just...
2017-12-19
470 reads
Login failed for 'NTAUTHORITY\ANONYMOUS LOGON' - the fix you probably haven't tried yet
Just a quick one today. TL;DR: Remove yourself from some unnecessary AD groups.
If you've ever received the message "login failed...
2017-11-24 (first published: 2017-11-12)
3,362 reads
Login failed for 'NT AUTHORITY\ANONYMOUS LOGON' - the fix you probably haven't tried yet
If you're seeing this for the second time, my apologies. I wanted to update the title but had to delete...
2017-11-13
2,926 reads
Improving instead-of-insert cardinality estimates for inserted and deleted pseudotables in SQL 2014+
Tricky triggers
In my last entry I noted that the performance of "instead-of" triggers can be tricky.
One of the reasons for...
2017-11-07
570 reads
SOA and message based integration - the challenge of bulk data changes
I'm working on problems of enterprise data integration in the role of enterprise architect, but I am and have been...
2017-11-06 (first published: 2014-11-19)
6,372 reads
An attempt at creating a "universal", set-oriented, near-real-time ODS ETL interface
Defining the Problem
Imagine I have two different systems - say, a CRM and an ERP - on different SQL Servers. Both systems...
2017-11-05
474 reads
Getting Backup File Information from a Table Valued UDF - SQLCLR to the Rescue?
Update:
After all of this SMO stuff failed (changing the permission set to unsafe got around the security exception, but instead...
2011-06-15
1,484 reads
Things That Should Be In TSQL
Relation Types
create type type_T(i int primary key clustered, j int check (j > 0)) -- relation type. Includes constraints!
create table T(type_T)
Relvar Assignment
This...
2011-06-15
956 reads
SSMSDeploy 1.5 Available: new configuration form and highly tweaked request list
SSMSDeploy version 1.5 is ready. This one has a LOT of GUI tweaks. No database changes in this one, so...
2011-01-22
960 reads
SSMSDeploy 1.1 Now Available
Fixed a couple of issues and made some GUI tweaks. Please see the download page for the latest version, and...
2011-01-20
711 reads
Blogs
Identity Columns Can’t Be Updated: #SQLNewBlogger
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
Rolling Back a Broken Release
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
A bespoke reporting solution doesn’t have to cost the earth
By ChrisJenkins
You could be tolerating limited reporting because there isn’t an off the shelf solution...
Forums
Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Remotely Engineer Fabric Lakehouse objects: The Fabric Modern Data Platform
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers