R Services

External Article

SQL Server R Services: Working with Data Frames

  • Article

Although you can get started with R in SQL Server without understanding data frames, they are a key structure of the R language that are the equivalent of SQL Server table variables. They give you many ways of manipulating and analyzing data and passing it between R and SQL Server. For a database professional, they provide a clear and familiar concept when getting to grips with integrating R into the database.

2017-11-08

3,412 reads

External Article

SQL Server R Services: The Basics

  • Article

It is possible to do a great deal with R within SQL Server, but it is best to start by doing analysis in R on numeric data from SQL Server and returning the results to SQL Server. There is great value to be gained even with this basic foundation. Robert Sheldon is on hand to give you a kick start with the first in his series on beginning with R in SQL Server.

2017-08-10

7,279 reads

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Question of the Day

How Many Can Be the Greatest

I am trying to analyze a number of columns in a large table to determine the highest value for each row. In SQL Server 2022, we have the GREATEST function, which will return the greatest value from those columns passed in. How many columns can I include in an expression like this:

select GREATEST( col1, col2, col3, ...)

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