Subject Re: [firebird-support] How safe is the restart of Firebird 3.0 Windows service/Nix daemon?
Author Dimitry Sibiryakov
04.01.2019 14:34, jonatan.lauritsen@... [firebird-support] wrote:
> I need to alter procedures on running Firebird 3.0 database and I need to disconnect all
> the users for doing that (there is 'procedure in use' control exception

You just must perform ALTER in WAIT transaction.
If it is not enough, use database shutdown with force disconnect of ordinary users.
In both cases there is no need to restart server.