Poor Little Misunderstood Views
Some people love ‘em, some people hate ‘em. But, one thing I have found to be nearly universal is that...
2010-07-29
59,911 reads
Implicit Data Conversion: The "HHidden" Bottleneck
Have you ever written a query that just seems to take forever? You have looked it over time and time...
2010-07-13
976 reads
WHERE to begin
Many people, once they start getting comfortable writing SQL, begin asking the same questions. One such common question is “Does...
2010-07-07
1,303 reads
Indexes are best utilized in WHERE, not JOIN
A pervasive oversight in database indexing by newer database users is relying solely on indexes used for joining tables together...
2010-07-01
3,736 reads
Function Calls are Evil Incarnate
The following queries look extremely innocent. However, they are all application killers once the target table grows to more than...
2010-06-28
1,352 reads
My SELECT statement has hung!
One of the first roadblocks many developers run into when using SQL Server for the first time is firing off...
2010-06-24
2,576 reads
The Power of Indexes
Time and time again I have run into the scenario where a developer who is moving into using databases is...
2010-06-22
710 reads
Killer I/O
Here’s a big statement
WHEN WRITING DATABASE QUERIES, 95% OF THE TIME THE BOTTLENECK IS IN THE I/O, not the CPU,...
2010-06-10
967 reads
A Guitar is Just a Piece of Wood
In my real-life I play guitar. Being an analytical sort-of-fella I found myself inhaling all the books, videos, advice, etc....
2010-06-08
660 reads
The Nature of the Database-Driven Developer
Bear with me as I wax philosophical for two sentences. Our societies are becoming more polarized with each passing day. ...
2010-06-03
680 reads
Blogs
RANK() vs DENSE_RANK(): #SQLNewBlogger
By Steve Jones
I haven’t done one of these in awhile, but I saw an article recently...
Using CAT for Testing of Data Agents
In last months one of the scenarios where you can use AI has been...
Are you getting value from your reporting?
By ChrisJenkins
Do you spend so long manipulating your data into something vaguely useful that you...
Forums
Creating JSON II
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Engineer Lessons
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Question of the Day
Creating JSON II
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( N'City':N'Denver' RETURNING JSON) GOSee possible answers