Keyword Analysis & Research: etl data meaning


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What is the purpose of ETL?

ETL is a process which is used to Extract data, Transform the data and loading of the data to the final source. ETL follows a process of loading the data from the source system to the Data Warehouse. Extraction is the first process where data from different sources like text file, XML file, Excel file, or various other sources are collected.

What are the three steps in ETL?

ETL is a type of data integration that refers to the three steps (extract, transform, load) used to blend data from multiple sources. It's often used to build a data warehouse.

How is ETL different from other data integration processes?

The most obvious difference between ETL and ELT is the difference in order of operations. ELT copies or exports the data from the source locations, but instead of loading it to a staging area for transformation, it loads the raw data directly to the target data store to be transformed as needed.

What is the process of ETL?

ETL is a process which is used to Extract data, Transform the data and loading of the data to the final source. ETL follows a process of loading the data from the source system to the Data Warehouse. Extraction is the first process where data from different sources like text file, XML file, Excel file, or various other sources are collected.


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