Introducing Minion CheckDB by MinionWare
Minion CheckDB completes the MinionWare maintenance and backups suite in style. Each solution is plug-and-play for the busy DBA, and deeply configurable for those shops with in-depth needs.
The Future is Now - An Internet of Things Infographic
A look at the positive and negative aspects of IoT in this infographic.
Planning for Successful Data Management
It is the data, in particular, that sets Database Lifecycle Management apart from the mainstream of application delivery. Data entities, and the way that organisations understand and deal with them, have their own lifespan. If we neglect the management of data, we risk disaster for the organisations that use it. If we take data management seriously, databases become a lot easier.
A Wide Variation in Skill
We all have different levels of skills, and it's not always because we don't try. Sometimes it's a question of timing.
Loading Non Duplicated Data Using SSIS
Learn how you can easily load data from a file that isn't duplicated, discarding those rows that are.
SQL Server v.Next : STRING_AGG Performance, Part 2
Aaron Bertrand starts digging deeper into the performance of string concatenation methods STRING_AGG and FOR XML PATH.
Azure SQL Data Warehouse with PowerShell
We will teach how to create a new SQL Azure Data Warehouse using Powershell
DevOps and Database Lifecycle Management
Database Lifecycle Management (DLM) aims to provide a roadmap of what is required, and when, to deliver and maintain effective databases that can respond quickly to business change. How...
The Elusive Conditional WHERE Clause
What's this, a conditional WHERE clause that doesn't use dynamic SQL?
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