How do we know that the database is eligible for the configuration of Heterogeneous Connectivity?
The data dictionary tables, views, and packages may already be installed on your Oracle9i server. Check for the existence of Heterogeneous Services data dictionary views, for example, SYS.HS_FDS_CLASS. Log into the Oracle Database as SYSTEM or SYS or as the ID that is eligible to access the data dictionary and then issue the following statement. Select * from SYS.HS_FDS_CLASS; This returns no rows if no HS configuration are done. How to configure the Heterogeneous connectivity?? Step 01 Creation of .udl file (udl stands for universal data link) On Windows Platforms a. Decide a directory where you shall have the .udl file on the Oracle Server where the Oracle Database is living. b. Right click on the right plane and select new and the new text document and create a file c. Rename the file with the extension .udl (ex: MYSQL.udl) d. Go to the SQL Server and create a global user with administrative rights to log into any database that is living on that server e. Test the connectivity and g