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Databases and their real world use examples (lemmy.world)

submitted 7 months ago by [email protected] to c/[email protected]

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I am very curious as to how databases are used in the real world, whether you're using MySQL and what not, how does it all come together in a real world business? Banking and gaming I know, but is it something that gets stored on data centres and then put into a VM?

I might be overcomplexing this but I understand the good use cases with VMs and containers etc just not with databases.

I'd google, but I'd like a ELI5 due to my smooth brain with these concepts, thank you.

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[–] expr 8 points 7 months ago (1 children)

Databases aren't related to VMs or containers.

https://en.m.wikipedia.org/wiki/Database does a good job of describing what a database is. That page also has a lot of examples of uses of databases.

To answer your question about MySQL: in my experience it's rarely used outside of classrooms or archaic systems. Postgres is a much better general-purpose option for SQL. Sqlite is also nice for different use cases (such as a database on a mobile device).

[–] [email protected] 1 points 7 months ago (1 children)

MySQL is unfortunately still rather popular. Loads of PHP based sites like Wikipedia and WordPress are all MySQL still.

It's catching up a bit, especially the forks like Percona Server and MariaDB.

[–] expr 1 points 7 months ago

Yeah that's what I was referring to by "archaic". Pretty much anything using the LAMP stack falls in that category. I don't generally see new things using it.