Statistical Analysis
This week Steve Jones asks the questions about advanced data analysis and statistics you might be using in your applications.
A Plethora of PowerShell Pitfalls: Part 2
There are some pitfalls in PowerShell for the unwary. Many people who are learning PowerShell come across quirks that can cause frustration. Michael Sorens continues his series, warning abut four of the most common PowerShell pitfalls and explains how to avoid them.
Retrieving a Binary File from Your Database
In this second article I provide the means to restore a binary file to its original state.
The Hidden Patterns in Data
Looking at statistics and data to draw conclusions can be hard. Steve Jones comments on an interesting way of analyzing data from TED.
Converting and Using Text Dates as SQL Server Dates
This tip describes some T-SQL techniques for converting a mmddyyyy string to a SQL Server date, handling rows with missing date strings, and comparing converted date strings.
Using the T-SQL PERCENTILE Analytic Functions in SQL Server 2000, 2005 and 2008
Percentiles give meaning to measurements by telling you the percentage of the population being measured who get higher or lower values. They are now easier to calculate in SQL, and are useful for reporting; but are the new analytic functions faster and more efficient than the older methods? Dwain Camps demonstrates, and investigates their relative performance.
Hack Us
A challenge from United intrigues Steve Jones. How many other companies would make a challenge like this?
Storing a Binary File in a Database
In this article you will see how to convert a file to a binary stream and insert it into SQL Server with SQLCLR.
SQL Monitor Custom metric: Average I/O stalls
This is a good general indicator of performance problems. High stall times indicate I/O problems, which can be attributed to busy physical disks or queries that return large data sets to the client.
Blogs
The SUM of Nothing: #SQLNewBlogger
By Steve Jones
I caught this interesting item over on Pinal Dave’s blog: Eleven Interview Questions that...
How to Move the SSMS Status Bar to the Top and Color-Code SQL Server Connections
By Hemantgiri
I use color-coded connections in SSMS to distinguish Production, Pre-Production, UAT, and Development. But...
Forums
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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