Kizspy | Question: 49 (Choose 1 answer)
What is the difference between a primary key and a foreign key?
A. A primary key is a column that uniquely identifies each row in a table, while a foreign key is a column that references the primary key of another table
B. A primary key is a column that references the primary key of another table, while a foreign key is a column that uniquely identifies each row in a table
C. A primary key is a column that contains only numeric values, while a foreign key is a column that contains only text values
D. A primary key is a column that contains only text values, while a foreign key is a column that contains only numeric values