Code Snippet for an SSIS DataFlow Performance Wiretap
I was recently tweaking a few Data Flows, and settled on a very small, but very useful script to help record execution timing inside the flow.
Decomposition Is Time...
2011-06-20
17 reads
Code Snippet for an SSIS DataFlow Performance Wiretap
I was recently tweaking a few Data Flows, and settled on a very small, but very useful script to help record execution timing inside the flow.
Decomposition Is Time...
2011-06-20
19 reads
Make the Optimizer Work Harder
One of my favorite indicators for whether or not you have a good execution plan is when you see the...
2011-06-20
2,803 reads
Poor man’s SQL monitor
Here is quick tip that can help you track SQL Job and Alert notifications in Microsoft Outlook. Many of you...
2011-06-20
939 reads
Non use of persisted data – Part deux
In my last blog I showed how persisted data may not be used if you have used the base data...
2011-06-20
539 reads
Difference between Checkpoint and LazyWriter
Was thinking about to write this blog for quite some time. CheckPoint Lazy Writer 1. Flush dirty pages to Disk...
2011-06-20
1,043 reads
Difference between Checkpoint and LazyWritter
Was thinking about to write this blog for quite some time. CheckPoint Lazy Writer 1. Flush dirty pages to Disk...
2011-06-20
555 reads
Code Snippet for an SSIS DataFlow Performance Wiretap
I was recently tweaking a few Data Flows, and settled on a very small, but very useful script to help...
2011-06-20
905 reads
Table Backups and the TableArchive Database
A discussion of how a separate database is used for storing table backups.
In a recent article, one of the things...
2011-06-20
910 reads
Presenting Two Sessions at PASS Summit 2011
I found out earlier this week that I was fortunate enough to have my half day session on “Scaling SQL...
2011-06-19
918 reads
Blogs
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
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...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications
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