Question

what is foreign key and primary key​

Answer 1

✯AŋʂᏯɛཞ࿐

A foreign key is a column or a set of columns in one table that references the primary key columns in another table. The primary key is defined as a column (or set of columns) where each value is unique and identifies a single row of the table

Answer 2

Answer:

In a MS Access, some keys are selected uniquely. There are called primary keys. And the keys that are not selected r called foreign key.