The Software Comparison - Part 3
Steve Jones takes another attempt at comparing software development to another profession. Today's target: doctors.
The Software Comparison - Part 3
Steve Jones takes another attempt at comparing software development to another profession. Today's target: doctors.
The Software Comparison - Part 3
Steve Jones takes another attempt at comparing software development to another profession. Today's target: doctors.
Tips for moving from local disk storage to SANs
Move SQL Server storage to storage area networks (SANs) with network redundancy and storage multipathing tips. Learn about iSCSI databases and SQL failover.
Database Weekly - June 2, 2008
A look back at the news from the week including Windows 7 and taking an unwired vacation.
Job Specialization - Boon or Bane?
As the number of different software/technologies increases exponentially, does specializing limit an IT professional's ability to move around? This editorial is being republished due to technical issues from last week.
SQL Overview IV - DBA's Morning Review
Continuing on with his very popular series on monitoring your servers, David Bird takes a look at how you manage checking on multiple servers.
The Software Comparison
Is building software like building a house? Steve Jones digs into the comparison at the start of an editorial series looking at other professions.
Optimistic Locking in SQL Server using the ROWVERSION Data Type
Using the default SQL Server READ COMMITTED isolation level, my application sometimes falls victim to the dreaded "lost update" condition where two of my users edit the same row for update but the user who submits his/her change last overwrites changes made by the other user. Is there a good way to check for this and prevent it?
Software Comparison - Part 2
The second editorial from Steve Jones comparing software to other types of jobs continues with a look at the legal profession.
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