Stuck in a Rut
What do people do when their job doesn't require a lot of technical skills? Steve Jones has a few thoughts.
Data Mining Part 19: Excel and Data Mining, Samples, Queries
This lesson explains how to Clean Data, Explore Data, get Samples of Data, Classify and query a Data Mining Model.
Data Mining Part 19: Excel and Data Mining, Samples, Queries
This lesson explains how to Clean Data, Explore Data, get Samples of Data, Classify and query a Data Mining Model.
Triple Digits
Salaries for data professionals have risen quite a bit, according to the latest salary survey. That's good for those of us working with SQL Server.
Data Is Crazier than You Think
As a society, we have an unrealistic respect for data, especially if it has a decimal point somewhere and uses metric units. We who are in the business of data need to cultivate a renewed interest in the sceptical and rigorous science of statistics: it is too important to leave to 'Data Scientists'. If the data is wrong, or the way we analyse or report it is misleading, much of what we do is pointless.
SQL Monitor Custom Metric: Average I/O Stalls
This metric is a great general indicator of performance problems. High stall times indicate I/O problems, which can be attributed to busy physical disks or queries that return large data sets to the client.
Dynamically change background color in SSRS reports using custom code
This article demonstrates the use of custom code and cell expressions referencing that custom code to toggle the background color of groups of rows in an SSRS report based upon value-changes in one of the fields.
Managers: who needs them?
Managers, look away now. Patrick Index wants to get something off his chest...
Preparing Your Enterprise for Big Data
Big data applications are now fairly commonplace in large organizations. It is, however, difficult to simply ‘drop’ these applications into an existing IT infrastructure and expect to run smoothly. In addition to energy and cooling requirements for new hardware to support the new big data application, other IT areas need to prepare.
Memory Corruptions, or Why You Need DBCC CHECKDB
DBCC is a mechanism that can protect you against corruptions causing substantial data loss in your database. If you use it.
Blogs
T-SQL Tuesday #198 Roundup: How Do You Detect Data Changes?
Thank you to everyone who participated in T-SQL Tuesday #198! When I wrote the...
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...
Forums
Dealing with huge heap tables
Recently, our dev teams approach me for advice on improving their huge heap table...
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...
Question of the Day
Distance Metric Algorithms
What are the distance metric algorithms that can be used in VECTOR_DISTANCE()?
See possible answers