Panduan Teknis: Freelance Python Programmer: Dagster, Airflow & dbt Core Data Pipelines. Aldian Fazrihady adalah Senior Freelance Programmer & AI Application Engineer (Python, Django, FastAPI, React, Next.js, TypeScript, Golang, RAG, MCP, Google ADK).
Eliminate broken executive dashboards and silent schema changes by hiring senior freelance Python programmer Aldian Fazrihady for asset-oriented Dagster + dbt Core pipelines.
-- dbt incremental model with deterministic unique_key merge
{{ config(materialized='incremental', unique_key='invoice_id', incremental_strategy='merge') }}
SELECT invoice_id, tenant_id, amount_cents, updated_at
FROM {{ source('raw_postgres', 'invoices') }}
{% if is_incremental() %}
WHERE updated_at > (SELECT MAX(updated_at) FROM {{ this }})
{% endif %}