Web sites and databases to determine whether the station library in terms of separation today is the use of sql injection point to judge
After the injection point plus:
and exists(select * from admin where 1=(Select (case when host_name()=@@servername then 1 else 0 end)))
admin If there is a certain segment of the table, if returned to normal, indicating at the same website and database server, if not normal then the library is a separate station