Learning the Query Store
Links and references to understand what the Query Store is in SQL Server 2016.
Practical Processor Selection for SQL Server 2014/2016 OLTP Workloads
Glenn Berry explains how you can do some simple analysis to help decide the exact processor to should choose for a new database server, taking into consideration workload and budget constraints.
Common MySQL Insert and Update Tasks and Their Solutions
Inserting and updating table contents with data from other tables and/or views within the same database need not be a nail-biting ordeal. Rob Gravelle shares some common Insert and Update tasks to help avoid any problems.
Data Masking for Convenience
Steve Jones talks a bit about the new data masking feature in SQL Server 2016 and how useful it can be.
OpenStack: The Good and Not-So-Good Bits
OpenStack holds a great deal of promise as a cloud platform built on open standards, and has support from the major players in cloud services. It has the potential for allowing organisations to set up their own private cloud services that are designed to inter-operate. Is it ready yet for companies that want the convenience of cloud solutions, but with more control, and without the large subscription fees? Robert Sheldon finds out.
Everyone is a Target
Today Steve Jones looks at the targeted attacks by hackers against individual security professionals.
Retrieve file sizes from the file system using Power Query
Koen Verbeeck shows how to easily extract metadata from files in your directories with Power Query.
Data Sprawl
The challenges of data growth and sprawl can be compounded by the variety of tools and platforms available. Steve Jones notes that you might need to learn a bit about different technologies.
Free webinar: DLM Demo
Redgate’s Database Lifecycle Management solution ensures database changes made in development environments are always tested and reviewed before being deployed, and adds automation to the process. Find out how by joining Steve Jones, MVP and editor of SQLServerCentral, as he demonstrates the solution and shows why such an approach is essential if you want to release changes frequently.
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