Blog Archives

SQL Server 2017 Machine Learning services with R book

Yes, I am finally blogging this. 🙂 This blog post is slighty different, since it brings you the tittle of the book, that my dear friend Julie Koesmarno (blog | twitter) and I have written in and it was published

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Filling [propagading] empty values with last nonNull value using T-SQL

So you have NULL values in your SQL Server table and you want to populate those NULL values with the last non-NULL value, based on a particular order. Once you have only one NULL values encapsulated between two populated values,

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Real-time data visualization using R and data extracting from SQL Server

In the previous post, I have showed how to visualize near real-time data using Python and Dash module.  And it is time to see one of the many ways, how to do it in R. This time, I will not

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Using Python Pandas dataframe to read and insert data to Microsoft SQL Server

In the SQL Server Management Studio (SSMS), the ease of using external procedure sp_execute_external_script has been (and still will be) discussed many times. But the reason for this short blog post is the fact that, changing Python environments using Conda

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R null values: NULL, NA, NaN, Inf

R language supports several null-able values and it is relatively important to understand how these values behave, when making data pre-processing and data munging. In general, R supports: NULL NA NaN Inf / -Inf NULL is an object and is

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Connecting Azure Machine Learning studio with on-premises SQL Database

Azure Machine Learning Studio has been around for the past 3 years and a lot of new features have been added. I am positive, many more will follow. One of more thrilling features has been the ability to connect to

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Real-time data visualization with SQL Server and Python Dash

The need for visualizing the real-time data (or near-real time) has been and still is a very important daily driver for many businesses. Microsoft SQL Server has many capabilities to visualize streaming data and this time, I will tackle this

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