By enabling cross-database ownership chaining or by designating a database as trusted by the instance using the TRUSTWORTHY attribute, a trust relationship between databases can be created. The sys. databases catalogue view's is_trustworthy_on column shows whether a database's TRUSTWORTHY property is set.
Without defining what is meant by a "trust relationship", a lot of people can make some pretty big mistakes. To be honest, this sounds a whole lot like a too-short answer generated by ChatGPT. 😉
Here's the link for all the nasty stuff you have to watch for with TRUSTWORTHY.
https://learn.microsoft.com/en-us/sql/relational-databases/security/trustworthy-database-property
--Jeff Moden
Change is inevitable... Change for the better is not.