Can we lock SYS user Oracle?

Can we lock SYS user Oracle?

As I understand, we can lock SYS account in primary database and grant SYSDBA role to special user account for log shipping, after that we can move copy of changed password file to standby node.

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

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 ;

How do you lock and unlock a user in Oracle?

To lock an Oracle user account, you can use the following command: alter user username account lock; To unlock the user, simply replace ‘lock’ with ‘unlock. ‘

How do I grant Dblink privileges in Oracle?

Only database superusers can grant system privileges.

1. CREATE [PUBLIC] DATABASE LINK. The CREATE [PUBLIC] DATABASE LINK privilege allows the specified role to create a database link.
2. DROP PUBLIC DATABASE LINK.
3. EXEMPT ACCESS POLICY.
4. Using the ALTER ROLE Command to Assign System Privileges.

What is the difference between SYS and system user in Oracle?

Every object in the database (tables, views, packages, procedures, etc. ) all have a single owner. For the database dictionary, and a whole lot of special tables (performance views and the like) are all owned by the SYS user. The SYSTEM user is supposed to be the master DBA user, with access to all of these object.

How do I unlock a SYS user?

Using SQL*Plus to Unlock Accounts and Reset Passwords

1. Start SQL*Plus and log in as the SYS user, connecting as SYSDBA: Copy $ $ORACLE_HOME/bin/sqlplus SQL> CONNECT SYS as SYSDBA Enter password: sys_password.
2. Enter the command ALTER USER account IDENTIFIED BY password ACCOUNT UNLOCK; to unlock an account. Note:

How do I login as SYS?

You can log in and connect as SYSDBA only with SQL Command Line (SQL*Plus). You can do so either by supplying the SYS user name and password, or by using operating system (OS) authentication.

How do you check if a user has Sysdba privilege in Oracle?

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 you check if a user is locked in Oracle?

Log in as oracle user. Verify if any database schema user account is locked by using the following command: $ select username, account_status from dba_users where username like ‘PV%’;

How do I know if my DB Link is working?

If application schema’s password is not known to DBA. We can verify public database link using select * from dual@public_db_link; How private db links can be verified by a DBA if application schema’s password is not known.

How do I access a DB Link?

The Get External Data – Access Database import and link wizard opens. In the File name text box, type the name of the source database or click Browse to display the File Open dialog box. Click Link to the data source by creating a linked table, and then click OK. The Link Tables dialog box opens.

Can You grant execute on DBMS _ lock in Oracle?

If you have the GRANT ANY OBJECT PRIVILEGE, then you can grant the object privilege only if the object owner could have granted the same object privilege. This implies that you can’t grant execute on dbms_lock because SYS wouldn’t have been able to do so.

Where do I find the grant statement in Oracle?

Table 18-3 summarizes the object privileges that you can grant on each type of object. Table 18-4 lists object privileges and the operations that they authorize. Notes on Authorizing Database Users You can authorize database users through means other than the database and the GRANT statement.

Do you need to lock Sys and system accounts?

Lock them both ( SYS and SYSTEM ). You shouldn’t need to use them day-to-day, nothing will break. On a day to day basis you should be using named user accounts that have SYSDBA or SYSOPER. Thanks for contributing an answer to Database Administrators Stack Exchange!

What happens when you grant a role in a database?

1 If you grant a role to a user, then the database makes the role available to the user. 2 If you grant a role to another role, then the database adds the privilege domain of the granted role to the privilege domain of the grantee role. 3 If you grant a role to PUBLIC, then the database makes the role available to all users.