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)

Key-Value Database

A is a type of nonrelational database that uses a simple key-value method to store data. A stores data as a collection of key-value pairs in which a key serves as a unique identifier. [Source: Amazon]