Foreign Keys and Multi-Table Inserts in Oracle
Referential constraints ensure data integrity, but in at least one case can cause occasional problems. Read on to see what can happen and why it can occur...
Free Solution Brief – Dedicated Database Environments for Dev, Test and CI
Developers and testers can be blocked from having a local, private database to work in because of disk space, refresh times, and data privacy. Download this free solution brief to learn how SQL Provision removes these blockers and enables production-like data to be delivered at speed.
Feedback and Change
Today Steve asks you to be a part of the change you'd like to see in our professional organization.
The Basics of INCLUDE
Learn how the INCLUDE phrase of an index can change the performance of a query.
Handling Tricky Data Migrations during State-based Database Deployments
This article demonstrates how to use a 'state' approach to database source control, when the nature of the database changes cause you to hit difficulties with migrating existing data. These difficulties happen when the differences are such that it is impossible for any automated script to make the changes whilst preserving existing data.
SQL Server Management Studio is as Relevant as Ever
In this Simple Talk editorial Kendra Little discusses how SSMS is as relevant as ever.
Priorities and Productivity
Managing a complex workload is a skill many of us need to acquire and maintain. Today Steve has a few ideas on how to do that.
Stairway to SSAS Tabular Level 8: Multiple Fact Tables and Perspectives
In this eighth step of the SSAS Tabular Stairway start to expand the model beyond one fact table.
Getting Started with SQL Server Azure Container Instances ACI
Learn how to quickly deploy a new SQL Server instance on Azure using Azure Container Instances ACI.
SQL Compare 14 now available on Linux
The latest version of SQL Compare now offers a Command Line Interface on Linux for the first time. Now teams can benefit from the industry standard tool for comparing and deploying SQL Server databases, whether they choose to work on Windows, Linux, or both.
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...
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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...
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