The Broken Window
A new data mining thrilled from Jeffrey Deaver has Steve Jones concerned about the centralization of data mining.
Databases for Change
Meaningful change often requires information collection, processing, retrieval and distribution. As database professionals, that's our bag. So what can we do to help things along?
Databases for Change
Meaningful change often requires information collection, processing, retrieval and distribution. As database professionals, that's our bag. So what can we do to help things along?
Databases for Change
Meaningful change often requires information collection, processing, retrieval and distribution. As database professionals, that's our bag. So what can we do to help things along?
A Lack of SQL
Steve Jones talks about a company looking to write all their stored procedures using the CLR in SQL Server. Is this a good idea?
Is it 1995?
A bug in the SQL Server 2008 upgrade process has Steve Jones questioning the coding practices at Microsoft.
Moving Indexes
Working with filegroups and managing the location of your various objects can be a cumbersome task in SQL Server. New author Thom Bolin brings us a technique and some code that worked well for one of his clients.
How To Collect Performance Data With TYPEPERF.EXE
One of the things I typically need to do is to collect performance data on the server which includes CPU, memory and disk utilization as well as SQL Server-specific data. What command line tools are available to do this?
Murphy’s Laws of Data Warehousing: What Goes Bump in the Night?
Murphy’s Law tells us that whatever can go wrong will go wrong. This axiom applies to all aspects of life, including data warehousing. The following corollaries to Murphy’s Law relate this inevitability of something going “bump” in the night to data warehousing.
The Broken Window
A new data mining thrilled from Jeffrey Deaver has Steve Jones concerned about the centralization of data mining.
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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...
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