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
502 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)
3,398 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
3,457 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
606 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
504 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...
2014-11-24 (first published: 2014-11-19)
6,409 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
1,515 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
986 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
984 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
735 reads
Blogs
A New Word: Semaphorism
By Steve Jones
semaphorism – n. a conversational hint that you have something personal to say on...
SQL Server Linux Container Images Got Smaller: Image Size and Startup Time Across Cumulative Updates
This week I was at PASS Data Community Summit in Seattle, and I attended...
Using AI to Build Semantic Models, Ontologies, and Fabric Data Agents
By James Serra
(This is the third post in a three-part series on how AI is changing...
Forums
Pay for Performance
Comments posted to this topic are about the item Pay for Performance, which is...
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Question of the Day
Adding Bits I
I have a table, dbo.bittest, where I am testing an application response. This has this structure:
CREATE TABLE [dbo].[BitTest] ( [insertdate] [datetime] NULL CONSTRAINT [DF__BitTest__insertd__300F11AC] DEFAULT (getdate()), [a] [bit] NULL ) ON [PRIMARY] GOMy application runs this code:
INSERT dbo.BitTest
(
insertdate,
a
)
VALUES
(DEFAULT, 'true')
GO
See possible answers