A good web design is one with a brilliant color palette, unique fonts, and animations. But it is also one that is simple, uses color blocking of only two primary colors, and has a familiar font.
Anyone that has been working with database management systems should have encountered terms like these- primary ley, unique key, so on and so forth.
Although many know of the existence of these terms, many still struggle to define them.
It is important to know the differences not just to work well in the field or with the programs and systems it is involved with, but also to answers questions regarding it during important tests or interviews.
Many starts with what a primary and unique key is, then wonder about if there are any differences between the two and what purpose each of these keys serve.
In order to clear up all those questions, down below, you will be able to figure out all the answers through an easy format of differentiation.The most important difference is that its intended use varies from key to key.
The biggest role of a primary key is to help identify a row within a table itself.