--eliminates database owned by sa, and read only databases

sp_msforeachdb 'USE [?]; if exists(

SELECT Name, SUSER_SNAME(owner_sid) from sys.databases

where name = ''?'' and isnull(SUSER_SNAME(owner_sid),'''') <> ''sa'' and is_read_only = 0) EXEC dbo.sp_changedbowner @loginame = ''sa'';'