Memory grants 7: DISTINCT (Distinct Sort)
The series is alive! It’s been a while since I last talked about memory grants. Don’t worry, I still care...
2019-02-21
392 reads
Index maintenance freebies
I didn’t expect anything for free in index maintenance. After all, it takes a lot of CPU and transaction log...
2019-02-20 (first published: 2019-01-30)
2,411 reads
Optimize for ad hoc VS single use plans
Yesterday’s post talked about single use plans. The statements I’m using are also called ad hoc queries. The alternative to...
2019-02-20
300 reads
Partitioning 5: The extra partition
So, we’ve set up a table with table partitioning on the RIGHT for CreationDate. We defined 11 partitions, and in...
2019-02-18
154 reads
Partitioning 4: Finding partitioning in DMVs and Object Explorer
Happy Friday! Today’s post will be light on the performance side and instead, I’m going to talk about how to...
2019-02-15
1,529 reads
It’s always parameter sniffing (Part 2): SET options
This is the sequel to “It’s always parameter sniffing (part 1).” In that post, we identified the stored procedure, and...
2019-02-14 (first published: 2019-01-23)
2,508 reads
Partitioning 2: Getting and measuring partition elimination
In Partitioning 1, my query searched through all 1-12 partitions. Let’s see if we can reduce that number.
Adding the partitioning...
2019-02-13
1,554 reads
T-SQL Tuesday #111 – Why I blog
This month’s T-SQL Tuesday is hosted by Andy Leonard at andyleonard.blog . Andy asks us, what is your “Why?”
So what is...
2019-02-12
680 reads
Memory Grants part 5: Query hints
Proceed with caution, if you’re thinking of using query hints. This post will specifically cover min_grant_percent and max_grant_percent.
My opinion on...
2019-02-11 (first published: 2019-01-22)
9,445 reads
Performance on readable replicas in Availability Groups
I apologize in advance if I mess up the terminology.
I’ve worked with a moderate read workload on a readable replica...
2019-02-08
769 reads
Blogs
A New Word: Ecstatic Shock
By Steve Jones
ecstatic shock – n. a surge of energy upon catching a glimpse from someone...
The CDO’s Playbook for AI Driven Decision Making
By Chris Yates
The New Arena of Leadership The role of the Chief Data Officer is no...
sp_snapshot – The easy way to take database snapshots of one or more databases – V3.0
Presenting you with an updated version of our sp_snapshot procedure, allowing you to easily...
Forums
Arc Enabled SQL Server
Just saw the "Azure Extension for SQL Server" Does anyone has experience with it?...
Recursive Select - What is this really doing
I've noticed several instances of what looks like a recursive insert with the format:...
Cleaning Up the Cloud
Comments posted to this topic are about the item Cleaning Up the Cloud
Question of the Day
The Maximum Value in the Identity Column
I have a table with this data:
TravelLogID CityID StartDate EndDate 1 1 2025-01-01 2025-01-06 2 2 2025-01-01 2025-01-06 3 3 2025-01-01 2025-01-06 4 4 2025-01-01 2025-01-06 5 5 2025-01-01 2025-01-06I run this code:
SELECT IDENT_CURRENT('TravelLog')
I get the value 5 back. Now I do this:
SET IDENTITY_INSERT dbo.TravelLog ON
INSERT dbo.TravelLog
(
TravelLogID,
CityID,
StartDate,
EndDate
)
VALUES
(25, 5, '2025-09-12', '2025-09-17')
SET IDENTITY_INSERT dbo.TravelLog OFF
I now run this code.
DBCC CHECKIDENT(TravelLog)
GO
INSERT dbo.TravelLog
(
CityID,
StartDate,
EndDate
)
VALUES
(4, '2025-10-14', '2025-10-17')
GO
What is the value for TravelLogID for the row I inserted for CityID 4 and dates starting on 14 Oct 2025?
See possible answers