Hi experts

i am new to oracle. i just want to know abt how to connect database through sql*plus

what is sys as sysdba
and what is sysoper

and why we connected as sysdba
pls compare with some other and reply me pls
i am totally confuse abt it

Thanks in advance:)

Read Concepts book at http://tahiti.oracle.com

sysdba gives you highest privilege in database, sysoper has lower privilege than sysdba.