| Layer | Tool Examples | Why It Helps | |------|---------------|--------------| | | Apache NiFi, Fivetran, Azure Data Factory | Automates data collection from disparate sources. | | Storage | Snowflake, Google BigQuery, Azure Synapse | Scalable, low‑maintenance data warehouses. | | Transformation | dbt (data build tool), Power Query | Clean, model, and standardise data for analysis. | | Visualization | Tableau, Power BI, Looker | Turn raw numbers into digestible dashboards. | | Alerting | PagerDuty, Slack integrations, Grafana alerts | Real‑time notifications for KPI breaches. |
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