What is ETL tool?

Question

Can anyone tell me what is ETL tool?

Answer 1

ETL tool allows any organization to extract, transform, and then load data in the target database or file.

You can use ETL tool for the following:

• Extracts data from source systems
• Transforms and cleans up the data
• Indexes data
• Summarizes data
• Loads data into the warehouse
• Tracks changes made to the source data needed for the data warehouse
• Restructures keys
• Maintains the metadata
• Refreshes the warehouse with updated data

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Also, watch this video on Informatica ETL tool: