Extended Statistics and Oracle 12c
David Fitzjarrell looks at how and why to use a feature called Automatic Column Group Detection to recognize column dependencies and create extended statistics on recognized groups in Oracle 12.1.0.2.
Add Dependencies to a SQL Server Resource in Windows 2003
In this article, see how to add a dependency to a SQL Server Resource in a Windows 2003 cluster.
Do You Have Scary Code?
Many organizations have code no one wants to touch. Steve Jones notes that's a bad place to be.
Introduction to PolyBase in SQL Server 2016 - Part 1
One of the features introduced in SQL Server 2016 is PolyBase. The goal of PolyBase is to make interacting with unstructured, semi-structured and non-relational data stored in Hadoop as easy as writing Transact-SQL statements. Edwin Sarmiento explains.
A big thank you
Grant Fritchey shows his softer side, extending his appreciation to all DBAs who work tirelessly to keep our software running in the face of adversity.
How to Add a Drive as a Clustered Physical Disk Resource in Windows
This article is covers how to add a drive as a Clustered Physical Disk Resource in Windows 2003.
Implementing Continuous Integration for Databases
Continuous integration (CI) is becoming more and more common in application development. It ensures code and related resources are integrated regularly and tested by an automated build system, and highlights problems early in the development process. But what about database development? Can the same advantages of CI be applied to production databases? Where do you start? How do you tackle it? Sjors Takes relates his experience.
The Lost Laptop Crisis
Losing a laptop isn't something most of us would want to deal with, usually because of the expense. However, there may be other implications that concern you. Share your worries with us today.
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