Downtime
Most of us are working to prevent downtime in our systems. However Netflix thinks a little forced downtime is good for the software developers and infrastructure people.
The SQL TABLE Type: Beyond Table-Valued Parameters
Follow along as this starter article on the SQL TABLE Type walks you through the various ways it can be used in T-SQL.
Avoid using NOLOCK on SQL Server UPDATE and DELETE statements
Occasionally I come across UPDATE and DELETE statements where the target SQL Server table is referenced with the NOLOCK hint. Does this hint help or hurt performance in this case?
SQL Saturday #269 - Exeter, UK
SQL Saturday is coming to Exeter on March 22, 2014. Join Red Gate's David Atkinson and the rest of the speakers at this free day of SQL Server training and networking, organized by SQL South West.
Geeky Entertainment
As a break from work, this week Steve Jones wants to know what you wish for. Are there comic book, science fiction, or technological thrillers you'd like to see made into movies?
See Grant Fritchey and Steve Jones at SQL Intersection
Come see Grant Fritchey and Steve Jones (from Red Gate Software) and many more SQL Server experts while you enjoy spring in Orlando, FL at SQL Intersection.
Calculating Gaps Between Overlapping Time Intervals in SQL
There are a number of real-life reporting tasks in SQL that require a 'gaps and islands' analysis. There are a number of techniques around that work, but finding ones that scale well makes for a tougher, but interesting, challenge.
Fixing CREATE TABLE
Steve Jones has a problem with the inconsistency of the CREATE TABLE statement in SQL Server and has an idea on what to do.
Identify the Backup used to Restore the Database
This article will help us identify the backup which was used to restore the database. This may seem simple when the database backup is from the same server but the complications begin when the backup is not from the same server.
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
WITH clause gets a 26ai boost!
By way of background, a while back I did video called “My New Favourite...
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
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...
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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