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Walid Djebali

Just sharing my knowledge

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Data / Data Governance / dbt Posted on: 23/08/2025

dbt: Control over cross-domain data access

🧠 What Is a Custom Schema Macro in dbt? A custom schema macro in dbt […]

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Data / dbt / Monitoring / Test Posted on: 22/08/2025

dbt: how to implement a metrics table to store test results

🎯 Why Create a Metrics Table for Test Results? By default, dbt test shows pass/fail […]

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Data / dbt / Enforcement Posted on: 20/08/2025

dbt: Enforcing Model Contracts in Incremental dbt Models Using Jinja Macros and Pre-Hooks

βœ… Enforcing Model Contracts in Incremental dbt Models Using Jinja Macros and Pre-Hooks When using […]

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Data / dbt / debug Posted on: 20/08/202520/08/2025

dbt: custom_temp_schema

πŸ“˜ What is custom_temp_schema in dbt? When dbt runs models that require intermediate or temporary […]

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Data / Data Governance / dbt / debug / Metric Posted on: 20/08/2025

dbt: how to implement query progress callbacks in a dbt adapter

🎯 Goal When executing long-running SQL queries, especially on large warehouses (e.g. Databricks, Trino, Presto, […]

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Data / Data Governance / dbt / Test Posted on: 20/08/2025

dbt: how to implement centralized, global test macros with source-specific configurations in dbt

🧠 Why Use Global Test Macros for Data Governance? In projects with multiple data sources […]

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Data / dbt / debug Posted on: 20/08/2025

dbt: Debugging dbt Models with –debug

πŸ› οΈ Debugging dbt Models with –debug When working with dbt models, you’re not writing raw […]

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Data / dbt / Dependency Posted on: 20/08/2025

dbt: Dependency Management During dbt Project Migration

βœ… Concept: Dependency Management During dbt Project Migration When migrating a dbt project across environments […]

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Data / dbt / Optimisation Posted on: 19/08/2025

dbt: how to implement partition merging with metadata preservation in a large fact table snapshot in dbt

βœ… The Problem: Large Snapshots with Too Many Partitions In large dbt projects using snapshots […]

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Data / dbt Posted on: 17/08/2025

dbt: How to manage concurrent access to materialized views

βš™οΈ Why CONCURRENTLY for Materialized Views? When refreshing a materialized view in a data warehouse […]

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