ETL is an information reconciliation process that alludes to the three unmistakable, interrelated strides of concentrate, change, and burden. The interaction includes extricating information from various frameworks and changing it, then, at that point, stacking it into the fitting information distribution center. Utilizing ETL, organizations can accumulate information from an assortment of sources and combine it into one incorporated area. The three capacities are characterized as follows: Separate. This is the most common way of social occasion information from numerous sources. Change. In this progression, the information is changed over into a structure that can be put away in the data set. In the change cycle, related information are joined with different information utilizing rules or query tables. Load. This is the most common way of composing the information into the right data set.