How many plans are in the plan cache for a stored procedure?
It depends on where you’re looking and how many statements are in the stored procedure.
Let’s take a look at some...
2019-01-31
568 reads
How Does DBCC CHECKIDENT Really Work When Resetting the Identity Seed (RESEED)?
(last updated: 2019-01-31 @ 22:45 EST / 2019-02-01 @ 03:45 UTC )
Today’s “Question of the Day” on SQL Server Central, Cleaning up the...
2019-02-20 (first published: 2019-01-31)
6,349 reads
Azure Notebooks – a nice little tool.
Gday,
I’ve been playing with Azure notebooks lately and have found them invaluable as
A teaching aidA test sandboxI’ve been using Python...
2019-01-31
1,107 reads
How To Check How Far Behind Your SQL Server Log Shipping Secondary Is
Log shipping is one of the simplest and most bulletproof methods to get SQL Server to replicate data to a...
2019-02-21 (first published: 2019-01-31)
2,773 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)
2,437 reads
Understanding and working with NULL in SQL Server
Graphic representation of the difference between 0 and NULLImage taken from 9gag.com
According to database theory, a good RDBMS must implement a marker to indicate "Missing or inapplicable information".SQL Server...
2019-01-30
16 reads
Webinar next week on Database DevOps
Next week is my webinar on why the database is the heart of DevOps. You can still register today to...
2019-01-30
755 reads
Understanding and working with NULL in SQL Server
Graphic representation of the difference between 0 and NULL
Image taken from 9gag.comAccording to database theory, a good RDBMS must implement...
2019-01-30
1,449 reads
Speaking at SQLBits in March 2019
I have been selected to speak for a second time at SQLBits, which is being hosted in Manchester UK this...
2019-01-30
243 reads
2019-01-30
244 reads
Blogs
The flight recorder: Replaying what an AI agent did on my SQL Server
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
Announcements from the Microsoft Fabric Community Conference — Barcelona 2026
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications, which is...
The Hidden Security Risks of Role Combination in SSAS Tabular
Comments posted to this topic are about the item The Hidden Security Risks of...
The Empty Aggregate
Comments posted to this topic are about the item The Empty Aggregate
Question of the Day
The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers