Difference among Oracle, Sybase, DB/2 & Sql Server

Hi,
Appreciate if anyone can mention some major differences among Oracle, Sybase, DB/2 & SQL Server in terms of any major syntax, performance & cost parameters.
Appreciate if anyone tell me like what are major parameters that are considered when going for a specific database like oracle, sybase, db/2 or sql server?
Thanks a lot in advance.
-Kotha.

Hi Gun77 !
As i knew, ODBC Generic Connectivity Agent is an API which use for connect other RDBMS. Don't care cost because it's free.
In other way, u can use Oracle Generic Connectivity Agent to any DB (SQL server, MySQL,…)
Download the orajdbclink_o2a.zip (oracle-to-any) file:
http://sourceforge.net/project/showfiles.php?group_id=205664
u can see detail in this link:
http://duykhanh.wordpress.com/2009/08/05/oracle-dblink-to-any-db-sql-server-mysql%E2%80%A6/
Hope good for you!
KhanhND (ZyK)

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