normalization of database

[pioneer06a]

Hi everyone. Can anyone explain to me what is meant by 'normalize the database' and what benefit is associated with normalization in databases. Also does it affect efficiency of the system?

[salem c]

Using google would be efficient.
https://en.wikipedia.org/wiki/Database_normalization

[jonnin]

you would be better off searching and reading this online.
there are a bunch of different levels of normalize, and modern systems are getting away from this idea in places. Its way too much to try to type a full answer.

[dutch]

Obviously you are supposed to research this yourself. You are literally asking us to write your answer for you. Do your own homework, or fail. Either is fine with me.