The Woes of Cloud Computing
Steve Jones talks about the problems you might face when moving to cloud computing and the fact that you ought to be prepared to move at some point.
Bookmarks in SQL Server Indexes: Stairway to SQL Server Indexes Level 6
A nonclustered index entry consists of search key columns, included columns, and the bookmark. The bookmark value will be either a RID or the clustered index's key, depending upon whether the table is a heap or a clustered index. Choosing the best clustered index for a table requires that you follow three guidelines to ensure that the index key will make a good bookmark.
It’s Good to Eat Alone
Today we have a guest editorial from Andy Warren that looks at the choice of eating with someone else, or alone and the benefits of each.
Down the Rabbit Hole – A Study in PowerShell Pipelines, Functions, and Parameters
For an experienced programmer to learn a new language can be a journey quite like Alice's in wonderland. Paradoxes, unexpected twists, blind tangents, bafflements and nice surprises. Michael Sorens comes to the rescue of anyone learning PowerShell with an explanation of how to use PowerShell functions.
Jobs for Data Scientists
Steve Jones talks about data science and the growing number of jobs that are available in this field.
Speeding Up Database Access Part 3 - Fixing Missing Indexes
Learn how to add those indexes you need in part 3 of Matt Perdeck's 8 part series on improving data access. This is based on the book ASP.NET Site Performance Secrets.
SQLServerCentral.com Best Practices Clinic: Part 5
In this article, Brad McGehee takes a brief look at four resource intensive queries that are running on the SQL Server instance that runs the SQLServerCentral.com website. Don't miss out on the competition in this article.
A Cast of Thousands
In a guest editorial, Rodney Landrum offers a light-hearted guide to role of each member of the cast in a typical SQL code deployment.
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