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
RANK() vs DENSE_RANK(): #SQLNewBlogger
By Steve Jones
I haven’t done one of these in awhile, but I saw an article recently...
Using CAT for Testing of Data Agents
In last months one of the scenarios where you can use AI has been...
Are you getting value from your reporting?
By ChrisJenkins
Do you spend so long manipulating your data into something vaguely useful that you...
Forums
Creating JSON II
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Engineer Lessons
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Question of the Day
Creating JSON II
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( N'City':N'Denver' RETURNING JSON) GOSee possible answers