data Archives - Elitmind

PKP Energetyka develops innovations in the cloud

Thanks to energy from renewable sources, Polish railways are becoming an even more ecological means of transport. The Green Railway Program, implemented by PKP Energetyka, consists of many investments – including the construction of traction energy storage facilities that stabilize the availability of renewable energy for railway crossings. The effective operation of the energy distribution […]

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5 main differences between ETL and ELT

Do ETL and ELT sound familiar to you? The below article is dedicated to the topic of differences between them. ETL (Extract-Transform-Load) and ELT (Extract-Load-Transform) are two approaches to the data transfer process to: data warehouses (storing data from multiple sources, already processed and prepared for analysis or reporting) data repositories (Data Lake, used to […]

Analytics data data sources data warehouse database ELT ETL