Tag: column

Feed: What's New. Author: Erin Gengo, Robert Bloom. As we reimagined data management across all of Tableau, we identified five pillars for the  migration process framework that dovetailed well with our Snowflake selection criteria, and would thereby increase trust and confidence in the data that everyone uses. These pillars are: staffing, governance, authentication, communication, and documentation.  We’ll first discuss staffing, governance, and authentication in this post, highlighting some key lessons learned, unexpected issues with responses, and recommendations to consider when migrating and tackling data sets—large or small, simple or complex. Staffing We don’t want to sugar-coat the complex undertaking of ... Read More

Feed: Planet MySQL; Author: Vitess; IntroductionIn this blog, I would like to explore Vitess Operator for Kubernetes. This post demonstrates the sample implementation of Vitess in Kubernetes topology. I also explore common DBA tasks by demonstrating how they are handled in the Vitess ecosystem. Vitess, out of the box, comes with a lot of tools and utilities that one has to either incorporate or develop to manage MySQL topology. Let’s take a look at the capabilities of Vitess in these areas and demonstrate how they are performed under the operator realm.PrerequisitesGKE AccountKubectlMySQL ClientInstall vtctlclient locallygo get vitess.io/vitess/go/cmd/vtctlclientDownload the Operator example ... Read More

Feed: Planet MySQL; Author: Vitess; Previously posted on link at Nov 3, 2020.Traditionally, MySQL has been used to power most of the backend services at Bolt. We’ve designed our schemas in a way that they’re sharded into different MySQL clusters. Each MySQL cluster contains a subset of data and consists of one primary and multiple replication nodes.Once data is persisted to the database, we use the Debezium MySQL Connector to capture data change events and send them to Kafka. This gives us an easy and reliable way to communicate changes between back-end microservices.Vitess at BoltBolt has grown considerably over the ... Read More

Feed: R-bloggers. Author: David Robinson. [This article was first published on Variance Explained, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. Previously in this series I love 538’s Riddler column, and I’ve enjoyed solving the November 20th puzzle. I’ll quote: To celebrate Thanksgiving, you and 19 of your family members are seated at a circular table (socially distanced, of course). Everyone at the table would like a helping of cranberry sauce, which happens ... Read More

Feed: AWS Big Data Blog. The machine learning (ML) lifecycle consists of several key phases: data collection, data preparation, feature engineering, model training, model evaluation, and model deployment. The data preparation and feature engineering phases ensure an ML model is given high-quality data that is relevant to the model’s purpose. Because most raw datasets require multiple cleaning steps (such as addressing missing values and imbalanced data) and numerous data transformations to produce useful features ready for model training, these phases are often considered the most time-consuming in the ML lifecycle. Additionally, producing well-prepared training datasets has typically required extensive knowledge ... Read More

Feed: MariaDB Knowledge Base Article Feed. Author: . Overview MindsDB is a third-party application that interfaces with MariaDB Server to provide Machine Learning capabilities through SQL. The interface is done via the Connect Storage Engine. Installation To get a functional MariaDB - MindsDB installation, one needs to install the following components: MindsDB connects to MariaDB Server via a regular user to setup a dedicated database called mindsdb. Which user will be used is specified within MindsDB's configuration file. For example, if MindsDB is installed locally, one can create a user called mindsdb@localhost. MindsDB only authenticates via the mysql_native_password plugin, hence ... Read More

Feed: AWS Big Data Blog. Amazon QuickSight is a cloud-scale business intelligence (BI) service that you can use to deliver easy-to-understand insights to the people you work with, wherever they are. QuickSight connects to your data in the cloud and combines data from many different sources. On a single data dashboard, QuickSight can include AWS data, third-party data, big data, spreadsheet data, SaaS data, B2B data, and more. QuickSight users in your organization should have access to only certain data for compliance and security reasons. Without proper integrated features to enforce row-level and column-level security, you have to develop additional ... Read More

Feed: Microsoft Dynamics 365 Blog. Author: AJ Ezzour. Most sales organizations understand the value of maintaining an accurate sales forecast. However, many are still tracking forecasts with a time-consuming spreadsheet. This blog post provides some best practices for using forecasting capabilities in Dynamics 365 Sales to help simplify creating accurate forecasts, even during rapidly changing conditions.Benefits of sales forecastingSales forecasting is a projection of the sales that your organization expects to make within a set timeframe. Having current and accurate sales forecasting empowers you to better allocate your resources, modify your strategy to address unforeseen circumstances, and provide critical coaching ... Read More

Feed: R-bloggers. Author: Method Matters. [This article was first published on Method Matters Blog, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. In this post, we will examine the harmonic properties of songs in my music collection. We will focus on two primary aspects of the music: the mode (e.g. whether the songs are played in major or minor keys), and the musical key itself (e.g. C major, D minor, etc. – “tonal ... Read More

Feed: Microsoft Azure Blog. Author: Xema Pathak. It is imperative to monitor the health of your virtual machine. But how much time do you spend reviewing each metric and alert to monitor the health of a virtual machine? We are announcing the preview of Azure Monitor for virtual machines guest health feature that monitors the health of your virtual machines and fires an alert when any parameter being monitored is outside the acceptable range. This feature provides you: A simple experience to monitor the overall health of your virtual machine. Out-of-the-box health monitors based on key VM metrics to ... Read More