What is a Data Catalog?
A data catalog allows an organization to discover and record the facts about its data, where that data is held and how it used. William Brewer explains the details.
More On Column Order Indexes – Part 2
Continued analysis of index architecture with revised clustered index. Part 2 of Column Order Indexes
Reflections
Today is a day for reflections in Steve's life, looking back at the incredible year of 2020.
Database Updates: Rolling Back and Fixing Forward
Phil Factor's take on the best ways to reverse or accelerate your way out of the problems caused by a failed database update.
SQL Developer – A great tool and better ways to use it
SQL Developer is a popular free tool for working with Oracle databases. In this article Srinivasan Suresh explains several features of SQL Developer that can make you more productive.
Data Sovereignty Issues
As legal requirements grow and change, cloud computing might require a new consideration: where we physically store data.
Scheduling PowerShell Using Jenkins
Introduction PowerShell is a task-based command-line shell and scripting language; it is designed specifically for system administrators and power-users, to rapidly automate the administration of multiple operating systems (Linux, OSX, and Windows) and the processes related to the applications that run on those operating systems. For system administrators (DBAs\Wintel Admins), creating PowerShell scripts is a […]
Deploy Database Objects to Multiple SQL Server Instances Using PowerShell
In this article we look at a PowerShell script that can help you deploy database objects to multiple SQL Server instances.
More Gems from the SQL Prompt Treasure Chest
Join Microsoft MVP Grant Fritchey and Redgate's Owen Standage on a journey through the hidden treasures of SQL Prompt. Discover features of the unknown that will enable you to write, format, analyze and refactor your SQL effortlessly.
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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...
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