to find out others details
a police officer would use a database for identity of whose been in prison and who is in prison
so they can track people down and find out their contact details. hope this helped :) - sajida
Banks
A police database is somewhere where the Police can store any information they like, from criminal records, to number plate registrations. The Police Database system is vital to protect society from crime.
to keep track of people's past offences to see if they need to be kept an eye on. - Roschian :)
business man/women might use it so they can manage there paper work shop keepers might you it to organize there work and the profit and loss
Greenfile
There are a number of reasons one might use an anime database. Some of these include to learn about new anime series and to research existing series and characters.
To find a person by photo only, you can try showing the photo to other people who might know this person. The police can use image matching software to find a person by photo, but the person must already be in a database.
why would you use database?
You could use the string replace attribute but you might have to use Javascript, CGI, ASP or another scripting language to do so.