Mithali, a financial analyst, is preparing data to engage in a data analysis project to predict revenue for the next period based on environmental considerationsShe is currently reviewing the tables to validate inter$-$table roles for referential integrityWhich of the following is true about referential integrity? All values in a foreign key should also exist as values in the corresponding primary key. The primary and foreign key fields can have different data types The primary and foreign key fields must have the same name. The primary key must be single$-$valued, but the foreign key can be multi$-$valued.