📘Introduction When working with dbt (data build tool), YAML files are the backbone of your project’s configuration. They define how dbt behaves, how your models connect to data sources, and how metadata, documentation, and tests are managed. Understanding these YAML files and knowing where they are located within your...
📘Introduction In this hands-on dbt tutorial, you’ll learn how to configure separate development (DEV) and production (PROD) environments to safely build, test, and deploy your data models. We’ll walk through why environment separation matters and how to configure your profiles.yml so you can switch between environments with...
📘 Introduction If you’re working with modern data stacks and want to transform raw data into clean, analytics-ready tables, then you’ve likely heard of dbt (Data Build Tool). dbt has quickly become the go-to framework for data transformation, modeling, and testing, empowering data teams to treat analytics like software...
📘 Introduction When running Spark jobs, you expect every task to share the workload evenly — but that’s not always the case. Sometimes, a few tasks take far longer than the rest, keeping the entire stage waiting. This imbalance, known as data skew, is one of the most common causes of...
📘 Introduction Every Spark application tells a story — a story of how your code travels from a high-level command in Python or Scala to a fully distributed computation running across dozens or even hundreds of executors. Behind the scenes, Spark organizes this work into jobs, stages, and tasks — the building blocks...
📘Introduction In this dbt tutorial, you’ll learn how to supercharge your dbt models with Jinja, the templating language that brings flexibility, automation, and scalability to your SQL transformations. Understanding Jinja in dbt will unlock a whole new level of productivity — letting you write dynamic, reusable, and DRY (Don’t...
📘Introduction In this hands-on dbt tutorial, you’ll learn how to make your aggregations dynamic and flexible using Jinja loops inside your SQL models. Instead of writing multiple aggregation functions, you’ll see how to dynamically generate aggregation logic — saving time and reducing repetitive SQL code. 🎓 Preparing for dbt Analytics...
