Read from the Right End of the Index: BACKWARD Scans
Optimizing queries is the most fun when you don’t need to add indexes. There’s nothing quite so nice as finding...
Help Us Help You
SQLServerCentral has a new place for discussions and Steve Jones hopes you use it. It's a forum built for critiquing and discussion the presentations that the SQL Server community shares with each other.
Is hyper-threading still relevant for SQL Server?
There still seems to be a lot of fear, uncertainty and doubt, in the community, with regard to use of Hyper-threading (HT) with SQL Server workloads. So, how and when should it be used?
TSQL Challenge 48 - Parse and evaluate Arithmetic Expressions using TS
This challenge is to parse and evaluate arithmetic expressions using TSQL.
Another Example of CPU Throttling Due to Balanced Power Plan in Windows Server 2008 R2
Here is another example CPU throttling from someone who had a server running with the default “Balanced” Power Plan in...
BIT of a Problem
The BIT data type is an awkward fit for a SQL database. It doesn't have just two values, and it can do unexpected things in expressions. What is worse, it is a flag rather than a predicate, and so its overuse, along with bit masks, is a prime candidate for being listed as a 'SQL Code Smell'. Joe Celko makes the case.
You Need Two SLAs for Disaster Recovery
Continuing on with my MCM prep, I was listening to the High Availability/DR prep module today and I was once...
Changing the Past
This Friday Steve Jones explores archived data. Can you restate past results or change old data? This week Steve Jones asks how data professionals feel about this and what guidance they give to their customers.
31 Days of SSIS – Environmental Variable(17/31)
31 Days of SSIS
It’s time to go back to discussing the environment when it comes to SSIS packages. For the...
Blogs
Prime Day Recommendations
By Steve Jones
It’s Prime Day. A few of my recommendations, since I want to do some...
Fabric for Operational Reporting & SQL Endpoint Trap
With Fabric Mirroring, Microsoft is promoting a nice and appealing story for operational reporting...
Crawl, Walk, Run with Agentic Development of Power BI Assets
If you’ve been watching AI roll through the data community and thinking, “this seems...
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...
Concurrency and Baseline Control: Level 5 of the Stairway to Reliable Database Deployments
Comments posted to this topic are about the item Concurrency and Baseline Control: Level...
Spending Time in the Office
Comments posted to this topic are about the item Spending Time in the Office
Question of the Day
Multiple Values Inserted
I have this code on SQL Server 2022. What happens when it runs all at once?
DROP TABLE IF EXISTS dbo.Commission GO CREATE TABLE dbo.Commission (id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY , salesperson VARCHAR(20) , commission VARCHAR(20) ) GO INSERT dbo.Commission ( salesperson, commission) VALUES ( 'Brian', 12 ), ( 'Brian', 'None' ) GOSee possible answers