Five Mistakes Performance Tuners Make
Erik Darling explains why your queries aren't scaling in production.
Azure DWH part 15: PolyBase and Azure Data Lake
In this article, we will learn how to query a csv file stored in the Data Lake using PolyBase.
Introduction to Azure Cosmos DB
Azure Cosmos DB is the latest data service offering from Microsoft. Azure Cosmos DB is a super set of DocumentDB and provides a new set of capabilities. These capabilities make Azure Cosmos DB stand out from other members in the NoSQL database family.
SQL Server in Space - HASSP
A successful launch, and recovery, of SQL Server running below a balloon.
Time Traveling with Temporal Tables on SQL Server 2016
One of the new features of SQL Server 2016 is the ability to time travel in your databases and visit a specific table at a specific point of time in history. You can also use this feature to audit changes or “undo” whole data warehouse updates.
Protecting production data in non-production environments
In this article, Grant Fritchey looks at the need to ‘shift left’ the database and associated database testing, while keeping sensitive data secure when it is outside the production...
Statistics in SQL: The Mann–Whitney U test
Phil Factor shows how to use the Mann-Whitney U test in SQL to to find out whether two samples come from the same distribution.
Blogs
JSON_OBJECTAGG is an Aggregate: #SQLNewBlogger
By Steve Jones
I wrote an article recently on the JSON_OBJECTAGG function, but neglected to include an...
Cultural Change: Fostering a Cost-Aware Culture in Your Organisation
By HeyMo0sh
After working deep in cloud operations, I’ve learned that FinOps isn’t really about dashboards...
Beyond VARBINARY: How to Store PDFs in SQL Server Using FILESTREAM and FileTable
By gbargsley
Hello, dear blog reader. Today’s post is coming to you straight from the home...
Forums
Creating a JSON Document I
Comments posted to this topic are about the item Creating a JSON Document I
Who is Irresponsible?
Comments posted to this topic are about the item Who is Irresponsible?
Designing Database Changes Before Deployment: Level 1 of the Stairway to Reliable Database Deployments
Comments posted to this topic are about the item Designing Database Changes Before Deployment:...
Question of the Day
Creating a JSON Document I
I want to create a JSON document that contains data from this table:
TeamID TeamName City YearEstablished 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933If I run this code, what is returned?
SELECT json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers