Backup and Recovery - Authentication Methods for DBAs

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Authentication Methods for DBAs

What are the steps to creating a password authentication file?

Total Answers and Comments: 1

Last Update: July 22, 2008 Asked by: Archy

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Submitted by: g.mrunalini

There are two types of authentications
OS level
DB level

For OS level authentication:

1. Shutdown the database
2. Set OS_AUTHENT_PREFIX=' ' in init.ora file
3.$ connect '/ as sysdba'
4. > startup
5.> create user username(OS level userid created by admin) identified externally;
6.>grant connect, resource to username;
7.dbs$ sqlplus /
8. $username connect / as sysdba
9. startup force

For DB level authentication:

1. set REMOTE_LOGIN_PASSWORDFILE=EXCLUSIVE in init.ora file
2. dbs$orapwd file=orapw$ORACLE_SID password=sys force=y
3. startup force;
4. grant sysdba to user(any user in the database);
5. conn user/user
6. conn user/user as sysdba
7. sho user

Above answer was rated as good by the following members:
contactspatel, ajspalia, v_modi6202

July 22, 2008 05:21:20

g.mrunalini

Member Since: February 2008 Contribution: 8

RE: Authentication Methods for DBAs

There are two types of authentications
OS level
DB level

For OS level authentication:

1. Shutdown the database
2. Set OS_AUTHENT_PREFIX ' ' in init.ora file
3.$ connect '/ as sysdba'
4. > startup
5.> create user username(OS level userid created by admin) identified externally;
6.>grant connect resource to username;
7.dbs$ sqlplus /
8. $username connect / as sysdba
9. startup force

For DB level authentication:

1. set REMOTE_LOGIN_PASSWORDFILE EXCLUSIVE in init.ora file
2. dbs$orapwd file orapw$ORACLE_SID password sys force y
3. startup force;
4. grant sysdba to user(any user in the database);
5. conn user/user
6. conn user/user as sysdba
7. sho user

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