# Simplex.Messaging.Agent.Store.DB

> CPP-conditional re-export of backend-specific database primitives (Connection, FromField, ToField).

**Source**: [`Agent/Store/DB.hs`](../../../../../../src/Simplex/Messaging/Agent/Store/DB.hs)

No non-obvious behavior. See source. One of three CPP re-export wrappers (Interface, Common, DB).