TSQL Spam-killer
In which Phil takes a break from a tedious bit of routine coding to build a Spam Filter in SQL.
Retrieve XML data values with XQuery in SQL Server 2005
Use XQuery scripting language to retrieve specific XML data type values in SQL Server. Learn to script and use Value() and Query() to retrieve single and multiple XML values.
Seeing Double
SQL Server allows some interesting index behavior and there's been some debate over whether it makes sense or not. This Friday Steve Jones asks if you have a reason for this.
Seeing Double
SQL Server allows some interesting index behavior and there's been some debate over whether it makes sense or not. This Friday Steve Jones asks if you have a reason for this.
Seeing Double
SQL Server allows some interesting index behavior and there's been some debate over whether it makes sense or not. This Friday Steve Jones asks if you have a reason for this.
UPSERT Functionality in SQL Server 2008
This article illustrates the functionality of UPSERT via the MERGE command in SQL Server 2008.
The April Energy Update
The bimonthly update on energy news from Steve Jones, focusing mostly this month on wind power.
Reading the SQL Server log files using T-SQL
One of the issues I have is that the SQL Server Error Log is quite large and it is not always easy to view the contents with the Log File Viewer. In a previous tip "Simple way to find errors in SQL Server error log" you discussed a method of searching the error log using VBScript. Are there any other easy ways to search and find errors in the error log files?
Blogs
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...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
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