Differential backups are left out of many DBAs backup strategy, but they are a great tool to shrink your backup window, save disk space, and more. However they can be slightly tricky when you look to perform a restore. New author Qian Ye brings us an interesting issue that occured during differential testing.
2006-06-14
8,328 reads
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
5,319 reads
Not the traditional overview here. Steve Jones takes a look at the various high availability technologies from a different perspective.
2006-05-24
18,011 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
8,751 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
5,462 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
6,013 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
10,611 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
2,200 reads
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Comments posted to this topic are about the item Let's Talk Certifications, which is...
Comments posted to this topic are about the item The Hidden Security Risks of...
Comments posted to this topic are about the item The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers