Normalization is the process of organizing columns into tables within a relational database in such a way as to minimize redundancy and avoid insertion, update and deletion anomalies.

learn more… | top users | synonyms

1
vote
1answer
502 views

Multilingual Dictionary Database question

Let's say someone is coding a multilingual dictionary in PHP, and he wants to let people submit both words and definitions in English and Spanish, but wants to track it so they can be filtered. ...
13
votes
3answers
605 views

Duplicate column for faster queries?

The title doesn't make to much sense but i couldn't think a better title for this problem. I have the following tabels Projects id name Customers id id_project name Payments id id_customer ...
5
votes
3answers
190 views

Do higher normalized forms always meet the criteria of lower ones?

For example, a database that is 3NF is always 1NF and 2NF; does this hold for 4, 5, and 6?

1 2 3