Subset in R including List, Data Frame, Matrix and Vector
In this article we will examine the R Language subsetting operators, types of subsetting and differences in behavior for different R objects like vectors, lists, and data frames.
In this article we will examine the R Language subsetting operators, types of subsetting and differences in behavior for different R objects like vectors, lists, and data frames.
Introduction The Azure Synapse workspace is in preview mode as of July 2020. The workspace brings together enterprise data warehousing and big data analytics. This workspace has the best of the SQL technologies used in enterprise data warehousing, Spark technologies used in big data analytics, and pipelines to orchestrate activities and data movement. Here, I […]
Steve looks at some of the software development trends from last year, and if they apply today.
The standard data warehouse design from Kimball with facts and dimensions has been around for almost 25 years. In this article, Vince Iacoboni describes another way to design slowly changing dimensions.
In Redgate Change Control v3.0, you can now commit your database changes to your local Git repository and collaborate with your team by pushing and pulling changes from the remote Git repository. If you’re using branches, you can also create and switch Git branches from within Redgate Change Control.
One of the finest songs of the sixties had the following lines … "Sitting one day by myself, And I'm thinking, "What could be wrong?" When this funny little Hedgehog comes running up to me, And it starts up to sing me this song. Oh, you know all the words, and you sung all the […]
Use native SQL Server backups with Amazon RDS databases to easily import and export data between local server and the AWS cloud.
Today Steve asks about the people that might be critical in your organization.
This tip looks at using artificial intelligence models with SQL Server to predict outcomes.
The challenges of large scale administration can be complex, but the more we share, the more we help others learn and better manage systems.
Redshift keeps its SYS_* monitoring views for seven days in cluster, which is fine...
By Steve Jones
I was updating my session for the Data API Builder (DAB) recently, mostly to...
I am excited to host T-SQL Tuesday for the first time. I want to...
Working with SQL Server can involve more than just writing queries. Understanding database design,...
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I have 3 instances of a brand new long running query that are executing on a SQL Server 2025 instance. Query store is enabled. One of the queries is killed by the administrator, one is cancelled by the user. The other runs to completion. How many rows are in Query Store for this query?
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