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. ...
I have a decent amount of data in a database. I have well formed tables and good relationships between them with some redundancy in my data. But how far should I go with normalization? Are there ...
The title doesn't make too much sense, but I couldn't think a better title for this problem. I have the following tables Projects id name Customers id id_project name Payments id ...
For example, a database that is 3NF is always 1NF and 2NF; does this hold for 4, 5, and 6?
I want to sharpen my database normalization skills. Where can I find good quality beginner-to-advanced level exercises (with solutions) on the web ?
Which of these is true: If a table is in 2nd normal-form then it must be in 3rd normal-form. If a table is in 3rd normal-form then it must be in 2nd normal-form. I know only one of them is ...