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➜ MUSHclient
➜ Perlscript
➜ Databases
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Posted by
| Microphone
(8 posts) Bio
|
Date
| Mon 17 Mar 2003 03:29 AM (UTC) |
Message
| What exactly is a database and what does it do? What can I use them for? Personally, I'm an idiot. I know pretty much next to nothing in programming. | Top |
|
Posted by
| Nick Gammon
Australia (23,133 posts) Bio
Forum Administrator |
Date
| Reply #1 on Mon 17 Mar 2003 04:17 AM (UTC) |
Message
| A database is a collection of related data.
A database is a bit like a spreadsheet - it has columns of things (eg. name, phone number, age) and each row is an instance of that data (eg. one person's information).
Databases can have more than one "table" - each table is really like a spreadsheet as I described above, and you can relate tables together. For example, if you buy something from a supplier, they might have your name and address in one table, and your orders in a different table (as you will probably have more than one order).
The useful thing about a database is you can add things to it without having to "save a file" like you might with a word processor. It therefore lends itself to adding a small amount to a large collection, or having multiple people updating it at once. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | Top |
|
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