Extract Transform Load (ETL)
Data Warehousing No Comments »Extract Transform Load (ETL) Figure-16.1: ETL: Putting the pieces together Figure-16.1 shows a multi-tiered data warehousing architecture. We can see that at the lowest level (tier 0) lies the data sources like operational, archived and/or web etc. Data Warehouse Server lays in the next level (tier 1). We can see in the Figure 16.1 that [...]
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