A (7) | B (6) | C (12) | D (9) | E (1) | F (5) | G (2) | H (3) | I (4) | K (1) | L (3) | M (7) | N (3) | O (1) | P (2) | R (1) | S (8) | T (2) | V (3) | W (2)

Extract, Transform, Load

(ETL) is the general procedure of copying data from one or more sources into a destination system which represents the data differently from the source(s) or in a different context than the source(s). [Source: Wikipedia]