Primary Key

Primary Key vs Unique Key

Primary Key vs Unique Key
A primary key cannot allow null and can only be created once in a table. A unique key allows null and can be created multiple times in a table. The keys play an important part when it comes to storing and...

Most Searched in Education and References Most Searched in Beauty and Style
Most Searched in Food and Drink Most Searched in Business and Finance
Transverse vs Longitudinal Waves
Ponytail vs Pigtail
B.Sc. vs BS
Deadlock vs Starvation