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Month: August 2025

Rajesh Kumar August 31, 2025 0

Databricks: Medallion Architecture in Data Lakehouse

Here’s a step-by-step tutorial with deep explanations + examples: πŸ“˜ Medallion Architecture in Data Lakehouse (Bronze, Silver, Gold Layers with Databricks) 1. πŸ”Ή Introduction In a Data Lakehouse (e.g., on…

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Rajesh Kumar August 23, 2025 0

Databricks: Databricks Auto Loader Tutorial

πŸš€ 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 into the Lakehouse.…

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Rajesh Kumar August 23, 2025 0

Databricks: Databricks COPY INTO Command – Idempotent & Exactly-Once Data Loading

1. πŸ”Ή What is COPY INTO? πŸ‘‰ For millions of files or complex directories, use Autoloader instead. 2. πŸ”Ή Setup: Managed Volume & Input Files Now we have two invoice…

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Rajesh Kumar August 22, 2025 0

Databricks: Databricks Workflows (Jobs, Tasks, Passing Values, If/Else, Re-runs, and Loops)

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

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Rajesh Kumar August 22, 2025 0

Databricks: Custom Cluster Policies & Instance Pools in Databricks

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

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Rajesh Kumar August 22, 2025 0

Databricks: Databricks Compute (Clusters, Access Modes, Policies, and Permissions)

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

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Rajesh Kumar August 22, 2025 0

Orchestrating and Scheduling Notebooks in Databricks

Perfect β€” 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: Parent vs Child…

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Rajesh Kumar August 22, 2025 0

Databricks: Databricks Utilities (dbutils) – Complete Guide

πŸ”Ή 1. Introduction In Databricks, you often need to interact with: πŸ‘‰ For these tasks, Databricks Utilities (dbutils) provide built-in helpers. Key points: πŸ”Ή 2. What is dbutils? dbutils is…

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Rajesh Kumar August 22, 2025 0

Databricks: Using Volumes in Databricks with Unity Catalog

πŸ”Ή 1. Introduction In Databricks, we usually store tabular data in Delta tables (structured data).But what about: πŸ‘‰ For these, Databricks introduces Volumes, which provide a governed, secure storage layer…

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Rajesh Kumar August 22, 2025 0

Databricks: Delta Tables – Deletion Vectors & Liquid Clustering

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 can run inside…

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