We do this as well, but the main drawback is that your DB is "unusable" without those functions, and the functions are application side only. So if you get a D

We do this as well, but the main drawback is that your DB is "unusable" without those functions, and the functions are application side only. So if you get a DB from somewhere else and want to open it in whatever tool you use for visualisation, all the queries/views/... will not work because they don't know about all those functions.