⚙ ETL vs ELT: Key Architectural Differences 👨💻
ELT and ETL are two different approaches to data integration. Understanding the key differences allows you to choose the best approach aligned with your infrastructure and data processing needs.
📌 𝗘𝗧𝗟:
• Sequential extraction, transformation, and loading.
• Well-suited for traditional on-premises data warehousing.
• Centralized control over data quality but may face delays.
📌 𝗘𝗟𝗧:
• Extract and load raw data first, then transform.
• Enables faster loading in cloud-native platforms.
• Leverages target system processing power.
👉 Choosing the right Data Integration approach:
• Consider your infrastructure: ELT for cloud-native environments, ETL for on-premises data warehouses.
• Consider transformation complexity: ETL for intricate transformations, ELT when processing power is readily available.
• Consider processing needs: ETL is often batch-oriented, ELT supports real-time for immediate insights.
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