Reduce Aggravating Aggregation: Improve the Performance of History or
Optimize the performance of a database which includes history or status tables.
SQL Server 2005 Express vs. Desktop Engine (MSDE)
SQL Server 2005 Express Edition and the SQL Server Desktop Engine (MSDE) are both free and redistributable. Each product provides a medium where database administrators can work between MS Access and the full version of SQL Server. But there are key differences to consider.
Why Data Models Do Not Work: The Role of Reference Data
There is an urgent need to acknowledge the limitations of data models and find a way to bridge the logical-physical divide between models and actual databases so that database designs can be fully understood.
The Cloud
I was interested to hear about Microsoft providing some services and storage in the "Cloud." I remember hearing about Amazon making disk space and computing services available to users.
What Could Go Wrong?
It's the law of unintended consequences: things happening that you don't expect from a seemingly unrelated area. This article talks about a data center having leaks from carpet cleaning above. The concrete floor had aged and the carpet cleaners dumped water on the carpet to soak it through and it leaked. I'm not sure how people have data centers below office floors, but I know I've had a number of them at different companies where I've worked.
How to troubleshoot Service Broker problems
In this one I'll discuss some of the problems that can arise and how to troubleshoot them.
Script Task Breakpoints in SQL Server 2008
One of the things coming from our look at SQL Server 2008 Integration Services is that you are not going to see a lot of change visually. What you are going to see is things going on underneath the covers that makes SSIS perform better, and improved informational messages from the components. Just such a change is seen in the Script task.
SQL Server 2008 - The Power of Merge
We have a first look at one of the features in SQL Server 2008 that was cut from SQL Server 2005, but which has been highly anticipated. How many times have you written an "insert new, update match" routine? Jacob Sebastion shows us easy this becomes with the new MERGE keyword in SQL Server 2008.
Making the Most of Operational Analytics with Enterprise Decision Mana
EDM solutions are a logical and often necessary complement to operational analytics.
Setting Up Delegation for Linked Servers
Learn how to set up delegation on your SQL Server instances, so you can use the impersonate options when setting up the security properties of linked server definitions.
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers