The most popular database(DB) software known to man is Oracle. There are some other commercial and open source Databases such as
1. MS-Sql(from Microsoft)
2. DB2(from IBM)
3. PostgreSQL(its a open source SW)
4. Mysql(my favorate one and good for small/medium organisations)
5. Sybase
Etc..
Do you want to know more about other DB names? Have look at below link, i create a squered link for you.
Ans : http://www.google.com/squared/search?q=mssql&items;=mysql&items;=oracle&items=PostgreSQL&items;=db2&items;=njsql
Ans : http://www.google.com/squared/search?q=mssql&items;=mysql&items;=oracle&items=PostgreSQL&items;=db2&items;=njsql
