Level 1 The basic level of the in-memory database contains records. Each record can be accessed with a unique identifier key of string type. A record may contain several field – value pairs, both of which are of string type. Function Definitions Examples Queries Explanations set(“A”, “B”, “E”) database state: {“A”: {“B”:“E”}} set(“A”, “C”, “F”) database state: {“A”: {“C”:“F”,“B”:“E”}}…