With the March update of Azure Data Studio, Microsoft added preview support of the popular PostgreSQL database, along with a new PostgreSQL extension for the Visual Studio Code editor.
Our resident doctor of data science this month tackles anomaly detection, using code samples and screenshots to explain the process of finding rare items in a dataset, such as discovering fraudulent login events or fake news items.
- By James McCaffrey
- 03/04/2019
Microsoft has beefed up several data analytics offerings in its Azure cloud platform, including the general availability of Azure Data Explorer and Azure Data Lake Storage.
The Data Science doctor delves into supporting vector machines, software systems that can perform binary classification such as creating a model to predict the gender of a person based on their age, annual income, height and weight.
- By James McCaffrey
- 03/04/2019
If you want to treat your database design as an "implementation detail" that just falls out of getting your object model right, then Entity Framework gives you four choices. Picking the right one, however, may mean creating your own.
Eric Vogel uses code samples and screenshots to demonstrate how to create and use the views and controller for an ASP.NET MVC Core CRUD application.
Microsoft announced HDInsight Tools for Visual Studio Code is now generally available, letting coders do Big Data analytics right from within the cross-platform, open source code editor.
Dr. James McCaffrey of Microsoft Research uses a full project code sample and screenshots to detail how to use Python to work with self-organizing maps (SOM), which let you investigate the structure of a set of data.
- By James McCaffrey
- 01/15/2019
Promising that developers can "save weeks of development effort," Microsoft today answered their request for database project support in Visual Studio to target Azure SQL Data Warehouse projects.
If someone tells you that LINQ doesn't support subqueries ... well, they're not wrong. But they're also not entirely correct, either. With LINQ you can meet many of the goals of SQL subqueries including the ability to build complex queries out of simpler ones.
The October release of Azure Data Studio includes preview support for SQL Server 2019 and more.
The Data Science Doctor explains how to use the reinforcement learning branch of machine learning with the Q-learning approach, providing code on how to solve a maze problem for an easy-to-understand example.
- By James McCaffrey
- 10/19/2018
If, in your "need for speed," you're looking to access and update your data as fast as possible, you can get to that goal by combining memory-optimized tables with compiled procs.
If screaming speed in data access is the most important thing in your life, SQL Server's durable in-memory, memory-optimized tables are your answer. They were good in SQL Server 2014 and they're even better in SQL Server 2016, 2017 and Azure.
You're not a DBA but you're responsible for managing your organization's SQL Server installation. Here are some tips on what you can do to speed up all your data access.