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.
An Introduction to Azure Synapse Analytics Workspace
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 […]
Looking Back at Software Development Trends
Steve looks at some of the software development trends from last year, and if they apply today.
Clarifying Data Warehouse Design with Historical Dimensions
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.
Deployment Suite for Oracle: What’s New? Git Integration in Redgate Change Control v3.0
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.
Of Hedgehogs and Database Design
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 […]
Native SQL Backups for Amazon RDS Databases
Use native SQL Server backups with Amazon RDS databases to easily import and export data between local server and the AWS cloud.
What's the Bus Factor?
Today Steve asks about the people that might be critical in your organization.
Compare Artificial Intelligence Models Built with T-SQL
This tip looks at using artificial intelligence models with SQL Server to predict outcomes.
Admin Challenges Across Scale and Time
The challenges of large scale administration can be complex, but the more we share, the more we help others learn and better manage systems.
Blogs
Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
I’m excited to announce the release of a new open-source project that fully automates...
Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
I’m excited to announce the release of a new open-source project that fully automates...
Advice I Like: Praise
By Steve Jones
Don’t reserve your kindest praise for a person until their eulogy. Tell them while...
Forums
Change Tracking Data Retention Options
Comments posted to this topic are about the item Change Tracking Data Retention Options
Requiring Technical Debt Payments
Comments posted to this topic are about the item Requiring Technical Debt Payments
Using the FP-Growth Algorithm to Mine Useful Patterns in Data
Comments posted to this topic are about the item Using the FP-Growth Algorithm to...
Question of the Day
Change Tracking Data Retention Options
If I am running this code:
ALTER DATABASE AdventureWorks2017 SET CHANGE_TRACKING = ON (CHANGE_RETENTION=4 xxx);What are the possible choices for xxx? See possible answers