Two Databases Connection
To compare two databases you need to specify connection string for each database.
There are several parameters that usually should be defined:

1. Driver - one of OLEDB drivers that already installed on loval computer;
2. Server - name of database server;
3. User Name and Password - user credentials.


Also you can use a standard connection string builder dialog:


Normally a connection string has a format like that:
      Provider=SQLOLEDB.1; Persist Security Info=False; User ID=user; Data Source=TEST_1