Lessons from Little Green Army Men
Today we have a guest editorial from Andy Warren that looks at digging deeper into stereotypes and deeper learning.
Azure Data Factory vs SSIS vs Azure Databricks
In this article we cover some things you should consider when determining whether to use Azure Data Factory, SSIS or Azure Databricks.
The importance of remote monitoring
Monitoring should be able to happen no matter where you are located. This year organizations around the globe had to adapt to many new challenges including a distributed workforce and managing their estate when they can’t be in the office. This blog outlines the reasons and benefits of adopting remote monitoring.
How Bad are Bad Page Splits – The Rest of the Story
In Part 1 of this article we looked at a specific use case (probably exaggerated) that gave us an idea about how CPU and IO performance might be affected by a bad page split. We continue this analysis looking at what really happens to the data on the leaf pages of a clustered index with […]
Easily manage SQL Server licensing with SQL Monitor 10.1
SQL Monitor 10.1 now gives you a comprehensive overview of your SQL Server licensing, so you know which licenses are in use, and which versions are on which servers. This simplifies license auditing and lets you unearth misconfigurations that could potentially cost you money. The new version also integrates with Microsoft Teams and Splunk, and supports complex Active Directory environments.
Tempdb – Here’s a Problem You Didn’t Know You Have
Because of its many roles, tempdb is the source of performance issues in SQL Server, and there are recommended configuration changes to mitigate this. In this article, Fabiano Amorim demonstrates another issue with tempdb performance that you probably didn’t know about.
A 2020 Look at Software Developers
The results of a survey on software developers has some interesting insights.
Stairway to U-SQL Level 22: Creating a Custom Extractor
Throughout this series, we’ve consistently dealt with delimited text files; comma and tab, for instance. We’ve used the U-SQL built-in extractors to process these files. But what if we need to deal with different types of file, like JSON, XML or fixed width? That’s where custom extractors come in. U-SQL provides us with the ability […]
SQL Server Data Masking with DbDefence
Data breaches are becoming too common place with some accounts reporting more than 1000 breaches per year with close to 50 million records exposed yearly in the financial, business, education, government and healthcare industries. Learn about how DbDefence performs SQL Server Data Masking as a portion of a three pronged approach to protect your data.
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...
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...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
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