Dba_sys_privs vs dba_tab_privs

1. What is Dba_sys_privs?
2. What is grantee in DBA_TAB_PRIVS?
3. How do I check if a user has DBA privileges?
4. What is the difference between role and privilege for Oracle?
5. How can I see all databases in Oracle?
6. What is SYS as Sysdba?
7. What is Dba_tab_columns?
8. What is Dba_synonyms?
9. Who is grantee in Oracle?
10. Who has DBA role?
11. What are DBA privileges?
12. Which permission should only be given to the DBA?
13. What is the difference between system privileges and object privileges?

What is Dba_sys_privs?

DBA_SYS_PRIVS describes system privileges granted to users and roles. This view does not display the USERNAME column. Related View. USER_SYS_PRIVS describes system privileges granted to the current user. This view does not display the GRANTEE column, but instead displays the USERNAME column.

What is grantee in DBA_TAB_PRIVS?

DBA_TAB_PRIVS describes all object grants in the database. Related View. USER_TAB_PRIVS describes the object grants for which the current user is the object owner, grantor, or grantee.

How do I check if a user has DBA privileges?

Querying DBA/USER Privilege Views

For example, a DBA wishing to view all system privileges granted to all users would issue the following query: SELECT * FROM DBA_SYS_PRIVS; The DBA_SYS_PRIVS view contains three columns of data: GRANTEE is the name, role, or user that was assigned the privilege.

What is the difference between role and privilege for Oracle?

A user privilege is a right to execute a particular type of SQL statement, or a right to access another user's object. The types of privileges are defined by Oracle. Roles, on the other hand, are created by users (usually administrators) and are used to group together privileges or other roles.

How can I see all databases in Oracle?

To find active (i.e. started) databases, look for *_pmon_* processes on Unix (there's one per database instance), and Oracle services on Windows. To locate installations of Oracle database software, look at /etc/oratab on Unix. This should contain all the ORACLE_HOME s installed.

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.

What is Dba_tab_columns?

DBA_TAB_COLUMNS describes the columns of all tables, views, and clusters in the database. Its columns are the same as those in "ALL_TAB_COLUMNS". To gather statistics for this view, use the SQL ANALYZE statement.

What is Dba_synonyms?

DBA_SYNONYMS describes all synonyms in the database. Its columns are the same as those in ALL_SYNONYMS .

Who is grantee in Oracle?

Grantees are users or groups in the identity store that have been granted access to a privileged account managed by an Oracle Privileged Account Manager administrator. Users cannot check out a privileged account unless they have been granted access to that account.

Who has DBA role?

The default DBA role is automatically created during Oracle Database installation. This role contains most database system privileges. Therefore, the DBA role should be granted only to actual database administrators.

What are DBA privileges?

Holders of the DBA privilege can perform the following functions: Execute the DROP DATABASE, START DATABASE, and ROLLFORWARD DATABASE statements. Drop or alter any object regardless of who owns it. Create tables, views, and indexes to be owned by other users.

Which permission should only be given to the DBA?

Therefore, you should grant the DBA role only to actual database administrators. The DBA role does not include the SYSDBA or SYSOPER system privileges.

What is the difference between system privileges and object privileges?

System privileges allow a user to perform a particular database operation or class of database operations. For example, to create a table, the user needs the create table privilege. Objects have privileges associated with them, such as insert, update and delete a table.