2022-07-08
105 reads
Disaster Recovery (DR)
Scripting Makes Mistakes Easier Than Ever
A major outage from Atlassian because of a bad script has Steve thinking about the challenges of recovering from mistakes. When we are making changes to portions of our data and we need to plan for mistakes to occur and ensure we can restore the data.
2022-04-22
191 reads
Backup Architecture
Continuous backup in Cosmos DB doesn't quite work as Steve would expect. He has a few comments on why it is important you know how your backup and restore system works.
2022-02-21
446 reads
Incident Review
After an outage, how do you respond to the issue in the future? A good review of the incident should be a learning opportunity.
2021-09-29
148 reads
How Paranoid Are You About Backups?
Sometimes just running a backup isn't enough, especially in this era of ransomware. Steve has a few thoughts on backup strategies and recovery skills.
2021-08-09
435 reads
Incident Response Data
Being prepared for a disaster might mean having a way to collect data when something occurs.
2021-05-12
252 reads
Impact Minutes
When downtime strikes, we may have to make decisions about which systems to focus our efforts upon. Steve talks about the impact of a disaster on your choices.
2021-01-28
101 reads
Recovering Databases From a Master Backup
Losing your instance might result in the need to get information from what you have. Steve Jones looks at a way to get the proper version and patch, and database list, from what limited resources you might have.
2020-10-27
2,663 reads
2020-10-22
9,409 reads
DR as a Service
It's not the first task when I start a new job, but often as a DBA or developer, I usually ask about Disaster Recovery (DR) plans sometime within the first six months. If I'm a DBA, of course I need a plan. If I'm a developer, however, I still need to understand how this might […]
2020-10-01
113 reads
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...
Alamat Kontak Resmi BCA KCP Kertajaya ??/Wa 08218154393
WA:08218154393 Jl. Kertajaya No.35, Airlangga, Kec. Gubeng, Surabaya, Jawa Timur 60281
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...
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