Free eBook: SQL Server Tacklebox
Get a free ebook from Rodney Landrum and Red Gate Software that helps you prepare to deal with the various crisis situations you might encounter with SQL Server.
Using MDX to Calculate Both Values and Percentages for Analysis Services
When creating pie charts using data from Analysis Services, having the MDX query calculate and return the percentages along with the counts or sums is extremely efficient. In this tip, we walk through an example of how this can be done.
A Patch Disaster
What would happen if the wrong patches were applied to your database server? The results could be a huge problem. Steve Jones reminds you to be careful with mass patches.
Introducing Boomerang - A Notification Framework
Boomerang is a notification framework for IT professionals providing service oriented infrastructure with a SQL based rapid development interface.
SQLServerCentral Runs sp_Blitz - Security
A series that looks at the SQLServerCentral database servers using the Brent Ozar Unlimited sp_blitz script. Read about what we learned.
SQL Server T-SQL Tuning -TVF and Scalar Functions
A UDF is very convenient for centralising business logic as we can specify a set of business logic in one UDF which references multiple stored procedures and ad-hoc queries. However, they can lead to significant performance degradation due to their demands on the CPU
SQL Server Rounding Functions - Round, Ceiling and Floor
I saw your recent tip on Calculating Mathematical Values in SQL Server and have some related issues as I try to round values in my application. My users and me have a difference of opinion on some of the calculations in our reporting applications. All of the code is in T-SQL, but I think the reporting issues are related to data types and rounding down or rounding up rules. Do you have any insight into these issues? I would like to see some examples with a variety of coding options.
Statistical Protection
Statistical databases contain lots of information that can be used in a variety of ways, but it can also be abused. Steve Jones talks about some of the problems and potential solutions.
Partitioning in SQL Server - Part 2
Arshad Ali examines the different concepts of partitioning in SQL Server 2012 and provides a step-by-step guide on creating a partition table/index.
Double Counting and Sign Reversals
Make the ad-hoc analysis of identifying potentially double-counted or sign-reversed Accounting transactions simple and painless.
Blogs
My Social Media Rules
By Brian Kelley
I developed these rules a while back, before COVID. I had a period of...
Why Use TRY_PARSE(): #SQLNewBlogger
By Steve Jones
Someone asked why I would use TRY_PARSE after I posted a question at SQL...
A Guatemalan's Guide to Drinking Coffee Properly
My mugI grew up surrounded by coffee farms in Guatemala and somehow spent most...
Forums
Partitioning a table with TEXTIMAGE_ON option
I have a table that ends in ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]. I'm about to...
OUTER APPLY Fundamentals: Part 2
Comments posted to this topic are about the item OUTER APPLY Fundamentals: Part 2
Building Great Software
Comments posted to this topic are about the item Building Great Software
Question of the Day
The Range of Customers
I have this data in the OrderHeader table in a SQL Server 2025 database (ordered by CustomerID ASC):
orderid orderdate customerid complete 3 2025-05-10 00:00:00.0002 1 21 2024-01-10 00:00:00.0003 1 15 2023-10-28 00:00:00.0004 1 13 2025-03-08 00:00:00.0006 1 11 2024-04-02 00:00:00.0007 1If I run this query, how many rows are returned?
SELECT * from dbo.OrderHeader where customerid between 3 and '6'See possible answers