Interconnected Temp Files
Links between systems can become a problem if an issue in one system affects the others.
2021-08-02
304 reads
High Availability (HA)
Your MTTR
There are a lot of metrics you can track and many ways to use them to improve how you build and manage software. Steve has a few thoughts on MTTR and similar metrics.
2021-07-30
354 reads
A Step by Step Guide to the Availability Group (AG) Listener
Availability databases hosted on SQL Server Always On Availability Groups (AG) can be connected using a unique Virtual Network Name (VNN), called the Availability Group Listener. When an Availability Group is enabled, clients can connect to databases in both primary and secondary replicas without explicitly specifying the SQL Server instance name. You don’t even need […]
2021-05-17
10,817 reads
2021-03-15
166 reads
2021-02-09
1,116 reads
What's the Quarantine state in Windows Failover Clusters
In this article we cover why Windows Failover Cluster nodes can go into a quarantined state, how to resolve this as well as how to set threshold values for this cluster node state.
2021-02-08
Improving Availability Groups
Availability Groups are a good way to use High Availability in SQL Server, Today Steve wonders if you have any improvements you would make to the technology.
2021-01-15
164 reads
Do *not* place TEMPDB on a local disk in a SQL failover cluster
What happens with tempdb on a local disk in a cluster? Read on to see that you will not get a failover if the local disk fails
2021-01-04
10,258 reads
Steps for Installing AlwaysOn Availability Groups - SQL 2019
With SQL Server 2012 Microsoft introduced the AlwaysOn Availability Group feature, and since then many changes and improvements have been made. This article is an update to another article, and will cover the prerequisites and steps for installing AlwaysOn in your SQL Server 2019 environment. Prerequisites Before implementing your AlwaysOn Availability Group (AG), make sure […]
2020-12-07
156,600 reads
2020-11-16
650 reads
Blogs
Architecting Zero Downtime Deployments–Day of Data Boston
By Steve Jones
Here are the resources for my talk at Day of Data Boston. Slides –...
The Book of Redgate:A Prehistory
By Steve Jones
I’ve covered the values in a number of previous posts on the Book of...
Evidence-bound: what AgentDBA will and won’t link
By Arun Sirpal
When the evidence names the database, it says so. When it doesn’t, it stops....
Forums
Split Large Queries in Athena with a Simple Modulo Trick
Comments posted to this topic are about the item Split Large Queries in Athena...
Finding Trailing Spaces
Comments posted to this topic are about the item Finding Trailing Spaces
Question of the Day
Finding Trailing Spaces
I have some data in a SQL Server 2025 database. It looks like this for the dbo.Customer table:
CustomerID CustomerName PreferredName 1 Steve Steve 2 Andy Andy 3 Brian Brian 4 Allan Allan 5 Devin Devin 6 Steve Steve 7 Sally SallyI want to detect which names have a single trailing space. The CustomerName is a varchar() and the PreferredName is a CHAR(). Does this query detect the problem rows?
SELECT
CustomerID,
CustomerName,
PreferredName
FROM Customer
WHERE CustomerName <> RTRIM(CustomerName)
OR PreferredName <> RTRIM(PreferredName); See possible answers