When row estimation goes wrong
Whilst working at a client site, I hit upon one of those issues that you are not sure if that...
2012-11-29 (first published: 2012-11-26)
2,260 reads
Dave Ballantynes blog
Advanced TSQL training
Over the past few years, Ive had it on my to do list to write and deliver and full-scale SQLServer...
2012-10-28
1,031 reads
SQL Saturday 162
SQL Saturday 162 was a great event, kudos to the team involved and I took a lot of pleasure in...
2012-09-09
751 reads
Reporting on common code smells : A POC
Over the past few blog entries, I’ve been looking at parsing TSQL scripts in a variety of ways for a...
2012-08-29
1,893 reads
How to prevent ‘Select *’ : The elegant way
UPDATE 2012-09-12 For my latest adventures with TSQL Parsers please see this post.
I’ve been doing a lot of work with the...
2012-08-09
1,987 reads
Joining on NULLs
A problem I see on a fairly regular basis is that of dealing with NULL values. Specifically here, where we...
2012-07-26
1,805 reads
Indexed view deadlocking
Deadlocks can be a really tricky thing to track down the root cause of. There are lots of articles on...
2012-06-22 (first published: 2012-06-13)
3,823 reads
“Query cost (relative to the batch)” <> Query cost relative to batch
OK, so that is quite a contradictory title, but unfortunately it is true. There is a common misconception that the query with...
2012-05-10
2,344 reads
Offset without OFFSET
A while ago Robert Cary posted an article on SQL Server Central entitled 2005 Paging – The Holy Grail which is,...
2012-04-26
2,026 reads
Parsing T-SQL – The easy way
UPDATE 2012-09-12 : For my latest adventures with TSQL Parsers please see this post
Every once in a while, I hit an issue...
2012-03-13
11,077 reads
Blogs
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...
Claude.ai vs Claude API
By Arun Sirpal
You have used Claude. But which Claude? The Claude app (claude.ai, the desktop and...
Forums
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...
Permissions Removal When Changing Object Schema
When the schema of an object is changed, SQL Server wipes out the previous...
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