Hooks
Building hooks from your software into enterprise monitoring systems is prudent, and might save you from a few late night phone calls.
A TDD Journey: 2 - Naming Tests; Mocking Frameworks; Dependency Injection
Test-Driven Development (TDD) relies on the repetition of a very short development cycle starting from an initially failing automated test that defines the functionality that is required, and then producing the minimum amount of code to pass that test, and finally refactoring the new code.
Free SQL in the City Seminar Cambridge, MA – Oct 8, 2014
SQL Server MVP Grant Fritchey and Steve Jones will present the Stairway to Continuous Delivery in Cambridge this October in place of the NESSUG meet-up. Learn how to build an efficient development and deployment process for your organization. Register for this free event.
Data Mining: Part 15 Processing Data Mining components with SSIS
In this lesson, we will show different components to Administer the Data Mining Models with SSIS.
Data Mining: Part 15 Processing Data Mining components with SSIS
In this lesson, we will show different components to Administer the Data Mining Models with SSIS.
Reverse Engineering Disasters
Preparing a disaster recovery plan means more than just trying to prevent a few specific disasters. It means turning around the way you view the world.
SQL Server AlwaysOn Availability Groups Fail the Initial Failover Test
The first test of AlwaysOn in SQL Server 2012 is successful, but after testing to swing back again to your primary replica, you find out that automatic failover works only the first time. How come? Carla Abanes explains.
Stairway to DAX and Power BI - Level 6: The DAX SUM() and SUMX() Functions
Business Intelligence architect, Analysis Services Maestro, and author Bill Pearson exposes the DAX SUM() and SUMX() functions, comparing and contrasting the two. He then provides some hands-on exposure to the use of each, particularly in combination with other DAX functions, in managing “sum” aggregations within our PowerPivot model designs.
Questions about T-SQL Expressions You Were Too Shy to Ask
Nobody seems to ask questions about SQL Expressions in forums, even though expressions can cause all sorts of problems. It's time for some straight-forward Q&As, and who better than Robert Sheldon to give the A?
Blogs
Architecting Zero Downtime Deployments–Day of Data Boston
By Steve Jones
Here are the resources for my talk at Day of Data Boston. Slides –...
The Book of Redgate:A Prehistory
By Steve Jones
I’ve covered the values in a number of previous posts on the Book of...
Evidence-bound: what AgentDBA will and won’t link
By Arun Sirpal
When the evidence names the database, it says so. When it doesn’t, it stops....
Forums
Split Large Queries in Athena with a Simple Modulo Trick
Comments posted to this topic are about the item Split Large Queries in Athena...
Finding Trailing Spaces
Comments posted to this topic are about the item Finding Trailing Spaces
Question of the Day
Finding Trailing Spaces
I have some data in a SQL Server 2025 database. It looks like this for the dbo.Customer table:
CustomerID CustomerName PreferredName 1 Steve Steve 2 Andy Andy 3 Brian Brian 4 Allan Allan 5 Devin Devin 6 Steve Steve 7 Sally SallyI want to detect which names have a single trailing space. The CustomerName is a varchar() and the PreferredName is a CHAR(). Does this query detect the problem rows?
SELECT
CustomerID,
CustomerName,
PreferredName
FROM Customer
WHERE CustomerName <> RTRIM(CustomerName)
OR PreferredName <> RTRIM(PreferredName); See possible answers