Stairway to U-SQL Level 16: The Azure Data Lake Catalog
Delve behind the scenes and learn about the catalog used to manage Azure Data Lakes.
Delve behind the scenes and learn about the catalog used to manage Azure Data Lakes.
In SQL cursors serve as a pointer that enables application programming language to deal with query results one row at a time. This article quickly explores the concept behind and show how to declare cursors, open, retrieve data from them, and then close them
Problem Many of us are already aware of the loopin...
Fourty-six percent of the State of Database DevOps survey respondents advised they are performing some form of deployment automation. This figure has risen year on year as the conversation of DevOps in Database development continues, and the benefits become more apparent. If you are interested in more insight, you can download a copy of the 2020 State of Database DevOps report here.
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Despite some humorous examples of deployments gone wrong, failures are not funny. William Brewer explains why staging is so important and how it can help avoid the types of disasters he recalls in this article.
A morning checklist is a good thing, but an automated one is better.
In this time of crisis, it's up to each of us to make a difference in some way.
The role of the DBA is evolving! With automated builds, cloud and DevOps being the new A,B,C,Ds in the day to day management of databases, you need to up-skill and learn about Database Reliability Engineering. Join Microsoft MVP Hamish Watson to find out more.
Database DevOps means accurate and consistent data which is critical for analytics, artificial intelligence, and machine learning.
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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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