2016-08-16
122 reads
Editorials
Point-in-time data
Phil Factor explains why data detached from its temporal context often loses all meaning.
2016-08-15
90 reads
2016-08-15
95 reads
A Visit to Microsoft and SQL Server 2016
Today we have a guest editorial from Andy Warren as Steve is on vacation. Andy talks about a trip to Microsoft for the SQL Server 2016 launch.
2016-08-12
153 reads
An object lesson about what is really important
A story I heard a long time ago reminds us to choose what is really important.
2016-08-11
120 reads
Keyboard Hardlines
The potential vulnerabilities of wireless devices might be a security issue for databases.
2016-08-10
109 reads
Data Overload
When do you have too much data? What do you do if you aren't actually using all of it?
2016-08-09
89 reads
Making Complex Table Changes
The complexity of tables makes modifying them over time a challenge, especially as data sizes grow.
2016-08-08
74 reads
Security Shaming
This week Steve Jones looks at a new idea, rating the security of products publicly to try and shame vendors into more secure coding.
2016-08-08
89 reads
Failover
Too many failovers can cause problems, as can those that happen to often. Steve Jones says you need to consider whether you always need to failover in a sitaution.
2016-08-05
183 reads
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