Query regarding PSU SQL connectivity under the hood

Product: PowerShell Universal
Version: 3.7.9

This is not in relation to a fault, however I am curious to how PSU communicates to SQL when you enable SQL connectivity, and what tools PSU uses to perform connections and queries?

We use Entity Framework: What's New in EF Core 6.0 | Microsoft Learn

It uses the built-in SQL Client to perform the actual SQL commands: Microsoft.Data.SqlClient Namespace | Microsoft Learn