How to join a local table to a remote table by way of a linked server
Distributed queries on linked servers are not the greatest idea from a performance standpoint, but they can be quite useful.
The Power of Hadoop
Hadoop is an open source framework for working with data, and one that Microsoft has adopted. Is it worth using in your environment? Steve Jones thinks you should investigate it.
Point in Time Recovery Using New Timeline Feature in SQL Server 2012
SQL Server backups are key to recovering from a disaster or some type of data failure, but the real magic happens when the backup is restored. In this tip we look at a new enhancment in SQL Server 2012 for point in time recovery using the new timeline feature.
SQL Saturday #109 - Silicon Valley
Come to a free day of training on Mar 3, 2012 in Mountain View, CA
SQL Saturday #123 - Western Cape
Come to a free day of SQL training on Mar 3 in Tyger Valle, Western Cape in South Africa.
A Break from Databases
A Friday poll that's a break from work, and should be a bit of fun. Today Steve Jones asks about movies, and what's been interesting from the last year.
Using SSIS to Maintain the File System
Integration Services is one of the more flexible tools available on the SQL Server platform. Jason Brimhall shows us a way to remove old files, either backups or flat files, after a configurable period of time.
SSAS - Best Practices and Performance Optimization
There are several aspects that can take a toll on performance for your Analysis Services cubes. Some problems could be related to the source systems, some could be because of poor design of your cube and MDX queries and some could be related to network issues.
Future Virtual Machines
What's the benefit of virtual machines and hypervisors? Steve Jones has a few comments on them and their future.
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