Database

You can write a Convex query whose structure -- which index/order/filters to apply, if any -- depends on runtime factors. This article gives a recipe for building queries dynamically.

Triggers automatically run code whenever data in a table changes. A library in the convex-helpers npm package allows you to attach trigger functions to your Convex database.

You'll often want to retrieve unique records from your database. While SELECT DISTINCT is the traditional way to do this in SQL databases, we've improved on this pattern in Convex by making it more consistent.

Online migrations in Convex using mutations, including a Convex Component to manage them.