Oracle 9i - My Experience

Oracle 9i Database is the most powerful edition of oracle corporation. It has been used for OLTP environment as well as in Warehousing. Data security is very high when compared to other Databases. Now the war has been over with MySQL, because owned Sun micro systems. The i in oracle 9i denotes "internet". When oracle combines with linux it gives more reliability and security to the database system. RMAN is a tool in oracle which is very much useful for data backup and recovery.The DDL event security secures the database from structural or Data Definition Language changes made.