Predictable Index Fragmentation
This technical article provides an overview of how to produce specific levels of index fragmentation. Useful for creating test plans.
Database Mirroring adjusting the automatic failover time
One of the configuration options for Database Mirroring is the High Availability mode. With this option three servers are put in place the principal, mirror and witness servers. This is the only option that allows for automatic failover. One of the things that I have noticed is that when there are periodic network issues a failover occurs even though there are no issues with the Principal server. Are there any options to delay the failover?
Encryption Alternatives
Databases often contain sensitive information and cell-level encryption is a very effective method to protect this information from those who should not have access to it. Although, encryption is not without its challenges.
The October 2008 Energy Update
The bimonthly update on the world of energy from Steve Jones talks about wind power.
The October 2008 Energy Update
The bimonthly update on the world of energy from Steve Jones talks about wind power.
The October 2008 Energy Update
The bimonthly update on the world of energy from Steve Jones talks about wind power.
Restoring a Full Database in SSMS - SQL School Video
This SQL School video will show you how to use Management Studio to restore a database in SQL Server 2005.
Updating Aging Databases
Somehow, one is expected to be pleased that SQL Server 2005 is going to have another Service Pack. Why? For many DBAs, SQL Server 2005 is still a dangerous and radical upgrade. Phil Factor considers Microsoft's responsibilities...
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...
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