DataOps School

Delta Live Tables (DLT) Internals & Incremental Load Part 2: Add/Modify Columns | Rename Tables | Data Lineage This tutorial walks step by step through advanced Delta…

Introduction Goal: Build a Delta Live Tables (DLT) pipeline that: What DLT gives you (why declarative matters): What we’ll build: What is Delta Live Tables (DLT)? How…

Here’s a step-by-step tutorial with deep explanations + examples: 📘 Medallion Architecture in Data Lakehouse (Bronze, Silver, Gold Layers with Databricks) 1. 🔹 Introduction In a Data…

🚀 Databricks Auto Loader Tutorial (with Schema Evolution Modes & File Detection Modes) Auto Loader in Databricks is the recommended way to ingest files incrementally and reliably…

1. 🔹 What is COPY INTO? 👉 For millions of files or complex directories, use Autoloader instead. 2. 🔹 Setup: Managed Volume & Input Files Now we…

1. 🔹 Introduction to Workflows 2. 🔹 Jobs UI Overview When creating a job: 3. 🔹 Creating a Job (Example: Process Employee Data) Workflow: Notebook Setup 4….

Perf 1. 🔹 Why Policies and Pools? These features are critical in enterprise Databricks deployments to enforce compliance, control costs, and improve performance. 2. Custom Cluster Policies…

1. What is Compute in Databricks? 2. Types of Compute in Databricks 🔹 All-Purpose Compute 🔹 Job Compute 🔹 Serverless Compute (coming in preview/GA by region) 3….

Perfect — this transcript is about Databricks Notebook Orchestration and how to parameterize/run 1. Introduction Databricks notebooks can be parameterized and orchestrated like workflows.You can: 2. Setup:…

🔹 1. Introduction In Databricks, you often need to interact with: 👉 For these tasks, Databricks Utilities (dbutils) provide built-in helpers. Key points: 🔹 2. What is…

🔹 1. Introduction In Databricks, we usually store tabular data in Delta tables (structured data).But what about: 👉 For these, Databricks introduces Volumes, which provide a governed,…

Delta Lake keeps improving with features that optimize performance and storage. Two of the most important recent features are: Let’s explore both in detail with examples you…

This tutorial covers how to perform upserts (MERGE) in Delta tables on Databricks, with both hard deletes and soft deletes (using SCD1 style). 1. 🔹 Introduction In…

This tutorial will walk you through core Delta Lake functionality in Databricks, including catalogs, schemas, tables, views, CTAS, deep clone, and shallow clone. Each section is backed…

this is exactly the core of Unity Catalog’s object model. The way Databricks resolves storage paths for managed tables depends on where you attach the external/managed location….

Databricks Unity Catalog Tutorial Managed vs External Tables + UNDROP (with External Location setup) Introduction (what we’ll build) You’ll learn to: What’s new in Databricks? (Updates &…

We will: Unity Catalog has a 4-level hierarchy: Metastore → Catalog → Schema → Table 👉 Today we’ll create three schemas to see how Unity Catalog stores…

Good Read – https://dataopsschool.com/blog/databricks-catalog-schemas-tables-with-external-location/ 1. Create Catalog without External Location 2. Create Catalog with SQL 3. Drop Catalog and Drop Catalog Recursively 4. Create External Location in…

🔑 Unity Catalog vs Catalogs vs Workspace vs Metastore 1. Unity Catalog (UC) ✅ 👉 Analogy: National Library System – it governs all libraries in a country….