[artyom]

> Multiple applications sharing a database

This is a classic. I'd say that for every company, big or small, ends up taking the #1 spot on technical debt.

[allanbreyes]

Martin Fowler called this (anti-)pattern an "integration database" and discouraged it since at least 2004[1]

[1]: https://martinfowler.com/bliki/IntegrationDatabase.html