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
474 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)
3,367 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
3,074 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
572 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)
6,374 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
475 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
957 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
712 reads
Blogs
Track SQL Server Configuration Changes Using the Error Log
By SQLPals
Track SQL Server Configuration Changes Using the Error Log If you...
Data Engineering Books Worth Having on Your Shelf (or your tablet)
Good documentation gets you started. Good books get you deep. After years of working...
SSMS Evaluation – future ready
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
Forums
SQL Server Showing Out of Space But Plenty of Drive Space
We have a SQL Server installed. We have a 500GB drive for the database....
Creating a JSON Document IV
Comments posted to this topic are about the item Creating a JSON Document IV
Restoring Azure Key Vault Keys and Validating SQL Server TDE Recovery: Level 7 of the Stairway to TDE
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
Question of the Day
Creating a JSON Document IV
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers