Everyone wants a highly available system, but achieving 4 or 5 9s of uptime is hard to do. Especially when you have cost limitations. New author Mark Cook takes a look at how his company analyzed the challenges and which method they chose along with some implementation details.
2006-05-25
5,303 reads
Not the traditional overview here. Steve Jones takes a look at the various high availability technologies from a different perspective.
2006-05-24
17,996 reads
Disaster recovery solutions is always a concern with SQL Server and when a new or unique solution comes up, we like to get it out there. New author Kevin Parks brings us a look at his way of using a USB hard drive and Windows PE to ensure recovery.
2006-05-18
8,738 reads
Ensuring the availability of your database servers is becoming more important all the time. Fortunately you have more choices than ever. Bilal Ahmed looks at some of the possible solutions available for SQL Server.
2006-04-26
5,441 reads
Testing is key to ensuring a process actually works when it comes time to implement, rather than finding out when time may be of the essence. This holds true for testing SQL Server restores as well.
2006-04-24
2,625 reads
Building a highly fault tolerant and available SQL Server is expensive and difficult. This brings about unique challenges for small businesses who often lack the resources of large enterprises. Bilal Ahmed and Shivan Bindal discuss the various ways of building redundancy and the challenges of each.
2006-02-21
5,995 reads
Building a highly available system is hard. This short white paper from Sonasoft shows some of the differences between a cluster and their standby server product.
2005-10-28
10,581 reads
The second installment of this series discussed the cost of maintaining systems with various levels of downtime, ways data can be lost, and what constitutes a backup. In this installment, I discuss how to configure your hardware to minimize the need to restore a backup.
2005-09-29
2,398 reads
2005-09-16
2,193 reads
2005-09-06
2,093 reads
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Comments posted to this topic are about the item How We Handled a Vendor...
Comments posted to this topic are about the item Cognitive Coverage
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