Using DBCC CLONEDATABASE and Query Store for Testing
Erin Stellato demonstrates how to use the new DBCC CLONEDATABASE feature, in combination with Query Store, to test index and query changes.
Step by Step Configuring AlwaysOn with Log Shipping
In this article, I will show you a procedure to combine SQL Server AlwaysOn with logshipping and to make log-shipping to work even in case of failovers between availability replicas in primary site.
The Ideal Agile Database
The ideal Agile database needs to be secure, recoverable, transactional, resilient, and versatile enough to allow easy migration paths when you need to delegate tasks elsewhere, for scalability. Sounds like a relational database to Phil Factor.
Migrating a Disk-Based Table to a Memory-Optimized Table in SQL Server
The feature formerly known as Hekaton, now In-Memory OLTP can provide very useful performance gains where you carefully select the tables to become memory-optimised. How do you set about the job of converting existing tables to become memory-optimised tables? the process isn't entirely straightforward but the benefits that an In-Memory OLTP table delivers is worth your effort. Alex Grinberg takes you through the basics.
A Single-Parameter Date Range in SQL Server Reporting Services
Many reports you will generate in SSRS will need to report within date ranges, and most of those will need a date range parameter. Here's an way to make an easy-to-use date range parameter.
Working with Windows Containers and Docker: The Basics
When you begin to work with containers, you will notice many similarities between a container and a virtual machine; but, in fact, these are two quite different concepts. Containers are going to change the way that we do Windows-based development work in the coming year, and they already underpin much of the devops work of speeding the delivery process. Nicolas Prigent explains how to use the Windows Containers feature.
Performing a Right and Comprehensive Age Calculation Part 2
Age Calculation gets implemented as an Inline table Valued function with a parameter defining which date parts must be counted.
What's New in Master Data Services MDS 2016 - Part 1
SQL Server 2016 introduced many new features and improvements for all its products, and Master Data Services (MDS) is no exception. In this post, Koen Verbeeck gives a comprehensive overview of all the new MDS features.
Big Companies are Improving with DevOps
Steve Jones notes that not just the small, startup, agile companies use DevOps. Nor is it just technology companies.
Blogs
How AgentDBA Identifies Backup Failures
By Arun Sirpal
Every DBA has a box like this. Sitting untouched for months. Nobody’s proud of...
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
WITH clause gets a 26ai boost!
By way of background, a while back I did video called “My New Favourite...
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