Introduction A heatmap is a powerful visualization type that allows you to represent data density, trends, and patterns using color gradients. In this tutorial, we will explore how to create a heatmap without using custom visuals. You will learn how to turn a matrix into a stunning heatmap. Whether you...
Introduction Microsoft Fabric provides powerful security features to control data access at a granular level. In the DP-600 certification exam, mastering how to implement row-level access control is essential for ensuring users see only the data relevant to them while maintaining governance and compliance. In this tutorial, you'll...
Introduction Microsoft Fabric offers powerful access control mechanisms to manage item permissions, ensuring secure access and effective governance. In the DP-600 certification exam, understanding how to implement item-level access controls is essential. In this tutorial, you'll learn how to share individual items within a Fabric workspace. Item-level Access...
Introduction When working with PySpark DataFrames, handling missing or empty values is a common task in data preprocessing. In many cases, empty strings ("") should be treated as null values for better compatibility with Spark operations, such as filtering, aggregations, and machine learning workflows. In this tutorial, we’ll...
Introduction In dbt, one of the most essential commands is dbt test. In this tutorial, we’ll dive into the dbt test command, exploring its syntax, functionality, and practical usage. This tutorial is also a valuable resource for those studying for the dbt Analytics Engineering Certification Exam. Explanation of dbt...
Introduction Microsoft Fabric provides robust access control mechanisms to manage data security and user permissions effectively. In the DP-600 certification exam, understanding how to implement workspace-level access controls is crucial for securing sensitive data and ensuring appropriate governance. In this tutorial, you'll learn how to manage workspace access,...
Introduction When working with data in PySpark, you might often encounter scenarios where a single column contains multiple pieces of information, such as a combination of names, categories, or attributes. In such cases, it is essential to split these values into separate columns for better data organization and analysis. In...
Introduction Understanding the RELATED function in DAX is crucial for anyone working with Power BI. In this tutorial, we will explore the RELATED function in depth, including its syntax, use cases and a practical example. Whether you are a beginner looking to improve your DAX skills or an advanced user...
Introduction Data Transformation is a crucial step in any data project, ensuring that raw data is turned into accurate, consistent, and usable data. One tool that has become especially valuable in this process is dbt (Data Build Tool). In this tutorial, we’ll explore what dbt is, how it simplifies...
