In a Relational database, what do we use to refer to a single entry in any table?
A.
primary key
B.
foreign key
C.
index key
D.
row property
E.
column property
F.
row ID
G.
col ID
Explanation:
Primary and foreign keys are what make relational databases possible.
We use primary keys to refer to a single entry in any table, and we can use foreign
keys to reconcile related data between two or more tables.