Скачать или смотреть LECTURE 47 | SCD TYPE2 WITH ALERTS & AUDIT LOGS | PRODUCTION-READY SP | SNOWFLAKE |

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Welcome to Lecture 47 of the Snowflake Series 🔵 —
This isn’t just another theory session — this is production-grade data engineering in action.

We’ll deep-dive into Slowly Changing Dimensions (SCD) Type 2 — one of the most crucial components of a data warehouse design — and see how to implement it end-to-end in Snowflake using JavaScript-based Stored Procedures.

💡 What makes this session unique?

Real enterprise-grade SCD Type 2 logic (used in my previous companies).

Entire implementation built using Snowflake Stored Procedures (JavaScript-based).

Integrated Audit Logger Table that records the full pipeline journey —
✅ Success or Failure of execution
✅ Execution timestamp
✅ User, status, and message details

Built-in Gmail Notification System to alert stakeholders instantly if any pipeline fails.

Dynamic and Modular SPs ready for CI/CD integration with tools like Airflow, Matillion, or DBT.

Includes error handling, try-catch blocks, and structured JSON logging.

🎯 Key Learnings from this session:

Understanding SCD Type 2 and its role in historical data tracking
Designing and implementing SCD logic with Snowflake MERGE operations
Creating a central audit logging framework for all your pipelines
Setting up automated Gmail alerts on pipeline failures
Writing modular and reusable stored procedures in JavaScript

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Resource Link : https://github.com/anandjha90/ANALYTI...

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