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What is Sysdba privilege in Oracle?

What is Sysdba privilege in Oracle?

The SYSDBA system privilege is for fully empowered database administrators and the SYSOPER system privilege allows a user to perform basic operational tasks, but without the ability to look at user data. The SYSDBA and SYSOPER system privileges allow access to a database instance even when the database is not open.

Is Sysdba a role or privilege?

SYSDBA and SYSOPER are administrative privileges required to perform high-level administrative operations such as creating, starting up, shutting down, backing up, or recovering the database.

Can we grant Sysdba Sysoper privilege to a role?

To grant someone the SYSOPER or SYSDBA roles, you must be logged on as either SYSDBA or as INTERNAL . It is not enough just to have the role yourself; you must connect in that role.

What is SYS as Sysdba?

When you enter SYS or a slash ( / ) as the user name and provide the AS SYSDBA clause, your access is authenticated using operating system authentication. Operating system authentication uses your Windows, UNIX, or Linux host user account to authenticate you to Oracle Database.

How do I grant a Sysdba user?


  1. Log in to SQL *Plus: sqlplus ‘/ as sysdba’
  2. Create a new user with an administrator password: create user user_name identified by admin_password ;
  3. Assign the sysdba privilege to the new Oracle user: grant sysdba to user_name ;

How do I connect to Sysdba?

To connect as SYSDBA using OS authentication:

  1. Do one of the following: On Windows: Log in to the Oracle Database XE host computer as a user who is a member of the ORA_DBA user group.
  2. Do one of the following:
  3. At the SQL Command Line prompt, enter the following command: CONNECT / AS SYSDBA.

How do you check who has Sysdba privileges?

SQL> select * from dba_role_privs where granted_role=’DBA’; The v$pwfile_users view contains a list of all users who have been granted the SYSDBA or SYSOPER privilege.

How do I check if a user has Sysdba?

How do I connect to Sysdba without password?

1 Reply

  1. Start run.
  2. type “Sqlplus” nd press enter. ( u wll got a sqlplus commandline mode)
  3. enter username as “connect as sysdba” nd press enter.
  4. leave the password blank nd press enter.

How do I give a user a sys privilege in Oracle?

What is the default Sysdba password in Oracle?

Default user name and password

The installation program will install the SYSDBA user with the password masterkey (actually, it’s masterke : characters after the eighth are ignored).

How do I login as Sysdba?

What is the default password for Sysdba?

SYSDBA is not a user, it is a system privilege. When you connect as / you are connecting to the SYS user. You don’t need a password when you connect as you are – as long as it’s a local connection from an OS account in the DBA group.