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SQL Server 2017 Machine Learning Services with R

You're reading from   SQL Server 2017 Machine Learning Services with R Data exploration, modeling, and advanced analytics

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Product type Paperback
Published in Feb 2018
Publisher Packt
ISBN-13 9781787283572
Length 338 pages
Edition 1st Edition
Languages
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Authors (2):
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Julie Koesmarno Julie Koesmarno
Author Profile Icon Julie Koesmarno
Julie Koesmarno
Toma≈æ Ka≈°trun Kaštrun Toma≈æ Ka≈°trun Kaštrun
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Toma≈æ Ka≈°trun Kaštrun
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Table of Contents (12) Chapters Close

Preface 1. Introduction to R and SQL Server FREE CHAPTER 2. Overview of Microsoft Machine Learning Server and SQL Server 3. Managing Machine Learning Services for SQL Server 2017 and R 4. Data Exploration and Data Visualization 5. RevoScaleR Package 6. Predictive Modeling 7. Operationalizing R Code 8. Deploying, Managing, and Monitoring Database Solutions containing R Code 9. Machine Learning Services with R for DBAs 10. R and SQL Server 2016/2017 Features Extended 11. Other Books You May Enjoy

Security

After configuring the database and any other additional settings used in your ecosystem, you will want to think about security, in terms of who will have access to run sp_execute_external_script.

You can directly create security settings on the external procedure. In this case, you will need to add database permissions to execute external script to the user.

A simple SQL login will look like this:

USE [master]
GO
CREATE LOGIN [RR1] WITH PASSWORD=N'Read!2$17', DEFAULT_DATABASE=[SQLR], CHECK_EXPIRATION=ON, CHECK_POLICY=ON
GO
ALTER SERVER ROLE [sysadmin] ADD MEMBER [RR1]
GO
CREATE DATABASE SQLR;
GO
    
USE [SQLR]
GO
CREATE USER [RR1] FOR LOGIN [RR1]
GO
USE [SQLR]
GO
ALTER USER [RR1] WITH DEFAULT_SCHEMA=[dbo]
GO

And now, let's start the external procedure:

    
EXECUTE AS USER = 'RR1';
GO
    
EXEC sp_execute_external_script
      @language = N&apos...
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