What is the difference between DBA and Sysdba?

In short, SYSDBA is a system privilege whereas DBA is a role. The DBA role does not include the SYSDBA or SYSOPER system privileges.

Which of the following can be done with Sysoper privilege?

The privileges of SYSOPER are: CREATE SPFILE. ALTER DATABASE OPEN/MOUNT/BACKUP. ALTER DATABASE ARCHIVELOG. ALTER DATABASE RECOVER (Complete recovery only.

What is the difference between SYS and Sysdba?

SYS is a predefined user with SYSDBA, and SYSTEM is a predefined user with DBA. If there are n administrator accounts in a database, then there are n users who can connect with administrator privileges (by definition)–there are not just two of them.

How do I give SYSTEM privileges to Sysdba?

Steps

  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 ;

What is Sysdba?

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. For example, if you have the SYSDBA privilege, then you can connect to the database using AS SYSDBA .

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

How to Create a User and Grant Permissions in Oracle

  1. CREATE USER books_admin IDENTIFIED BY MyPassword;
  2. GRANT CONNECT TO books_admin;
  3. GRANT CONNECT, RESOURCE, DBA TO books_admin;
  4. GRANT CREATE SESSION GRANT ANY PRIVILEGE TO books_admin;
  5. GRANT UNLIMITED TABLESPACE TO books_admin;

What privileges does Sysdba have?

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.

What does Sysdba mean?

What is Sysdba password?

The SYSDBA System Privilege If you omit the AS SYSDBA clause when logging in as user SYS , the SQL Command Line rejects the login attempt. password is the password for the SYS user account.

What privileges are assigned to a role in Oracle?

Granted Roles: SELECT * FROM DBA_ROLE_PRIVS WHERE GRANTEE = ‘USER’;

  • Privileges Granted Directly To User: SELECT * FROM DBA_TAB_PRIVS WHERE GRANTEE = ‘USER’;
  • Privileges Granted to Role Granted to User:
  • Granted System Privileges:

    • What is the difference between SYSDBA and sysoper?

    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. The SYSDBA system privilege is for fully empowered database administrators and the SYSOPER system privilege allows a user to perform basic operational…

    What are the privileges of SYSDBA in Oracle?

    The privileges of SYSDBA are: Perform STARTUP and SHUTDOWN operations. ALTER DATABASE: open, mount, back up, or change character set. CREATE DATABASE. DROP DATABASE. CREATE SPFILE. ALTER DATABASE ARCHIVELOG.

    Do you have to be Sys to connect AS SYSDBA?

    When you log in as user SYS, you must connect to the database as SYSDBA or SYSOPER. Connecting as a SYSDBA user invokes the SYSDBA privilege; connecting as SYSOPER invokes the SYSOPER privilege. EM Express allows you to log in as user SYS and connect as SYSDBA or SYSOPER.

    How do I get sysoper privileges in Oracle?

    Operating system accounts (user) must be members of the OSDBA or OSOPER groups to connect to the database with administrator privileges. When you connect with a privilege issuing a ‘CONNECT / AS SYSDBA’ (OR SYSOPER), Oracle checks if your account is a member of the corresponding OS group (for Windows: ‘ORA_sid_DBA’ or ‘ORA_DBA’ group).