ΤεχνολογίαETL

ETL (Extract, Transform, Load)

Σύντομη απάντηση

A process where data is extracted from a source, transformed to the target format and loaded into the destination system.

Βασικά συμπεράσματα

ETL - transform before loading (classic)
ELT - load raw, transform in the destination (common in cloud/data warehouse)

What ETL is

ETL (Extract, Transform, Load) is the classic data-integration pattern: extract from a source (ERP, file, API), transform (cleaning, mapping, code conversion) and load into a destination (another system, data warehouse).

Why it matters

Almost any system-to-system integration is, at its core, an ETL. Transformation quality (correct mapping of codes, UoM, currencies) decides whether data arrives clean or corrupted.

ETL vs ELT

ETL - transform before loading (classic)

ELT - load raw, transform in the destination (common in cloud/data warehouse)

How CRMconnect helps

CRMconnect runs the necessary transformations between ERP, couriers, marketplaces and EDI partners (code, UoM, structure mapping), so each system receives data in its own format, clean and consistent.

Πραγματικό παράδειγμα

When connecting an ERP with a marketplace, product codes and units of measure differed. CRMconnect transformations mapped them automatically, avoiding erroneous orders.

Ενημέρωση: 2026-07-17

Συχνές ερωτήσεις

Is ETL the same as an integration?+

ETL is the core mechanism of many integrations (it moves and transforms data). A full integration adds orchestration, error handling, retry, monitoring.

Difference ETL vs ELT?+

In ETL you transform before loading; in ELT you load raw and transform in the destination. ELT is common with cloud data warehouses.

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