Returns the id of the owning instance of a specified local temporary database. Returns NULL if the specified database is a global temporary database or a nontemporary database.
db_instanceid(dbid) db_instanceid(dbname)
Access to a local temporary database is allowed only from the owning instance. db_instanceid determines whether the specified database is a local temporary database, and the owning instance for the local temporary database.You can then connect to the owning instance and access its local temporary database.
You cannot run db_instanceid with no argument.
