Raw Materials - The Vermillion Screen of Death
An elementary error foils Peter's plans for world domination.
The Ad Hoc Change
Almost every DBA will be asked to change data in production at some point. Too often we don't have the tools to allow users to correct errors, but when you make changes, Steve Jones reminds you that you need to be careful and still have a process.
Using Extended Events to troubleshoot SQL Server issues
As a DBA, you'll encounter elusive performance, connectivity and locking problems that you'll need to troubleshoot. There are many tools that you can use such as Profiler. In addition to these tools, SQL Server 2008 offers extended events ("XEvents"), which you can use as a powerful tracing system. By default, the "system_health" extended events session is always on, and can provide you help to locate the source of trouble much faster.
Database testing. The ferret and the rabbit
Can one generalize from agile techniques of application testing to database testing. Phil isn't entirely convinced that it can do any more that remove the distracting trivial bugs in order to allow testers to concentrate on the important issues
SQL 2005 vs. SQL 2008 Part 1 - (Backup File Sizes and Times)
SQL 2008 has some key improvements over SQL 2005. This article deals with backup compression and faster backups in SQL 2008
TSQL Challenge 57 - Identify rows that match the rollup trade data
Your job is to scan the trades data and identify combination of trades that match a given rollup data.
Cartoonists Wanted
An open call to the amatuers that might want to pen some database related cartoons for Simple Talk Publishing.
Blogs
Optimizing Redshift Performance by Configuring WLM Queues
Efficient query performance in Amazon Redshift often comes down to how well you manage...
PowerShell Strikes Back: Return of the Loop
By gbargsley
Welcome back to PowerShell Strikes Back. We’re three weeks in, and the training is...
Breaking Rules in Rome
By Steve Jones
Last week I was honored with a trip to Rome for the Redgate President’s...
Forums
Merge Replication failing with Error converting data type nvarchar to numeric
After upgrading 2 Merge Replicated databases to SQL 2022 and re-establishing the Merge Replication...
Why Your Index Isn't Being Used? - Reading Execution Plans to Find the Real Culprit
Comments posted to this topic are about the item Why Your Index Isn't Being...
Distance Metric Algorithms
Comments posted to this topic are about the item Distance Metric Algorithms
Question of the Day
Distance Metric Algorithms
What are the distance metric algorithms that can be used in VECTOR_DISTANCE()?
See possible answers