Get user name from all_users : User Permission « User Privilege « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial

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36.	User Privilege

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Oracle PL/SQL Tutorial » User Privilege » User Permission

36. 2. 17. Get user name from all_users


SQL>

SQL> select substr( username, 1, 1 )

  2    from all_users au1

  3   where rownum = 1;



S

-

S



1 row selected.

36. 2. User Permission
	36. 2. 1.	To connect to the database a user must be granted the permission to create a session, which is the CREATE SESSION system privilege.
	36. 2. 2.	CREATE USER userName IDENTIFIED BY password and grant permission
	36. 2. 3.	Create user and grant permission
	36. 2. 4.	Grant all possible permissions
	36. 2. 5.	REVOKE CREATE TABLE, CREATE CLUSTER, CREATE SYNONYM, CREATE VIEW, CREATE SEQUENCE, CREATE DATABASE LINK FROM CONNECT
	36. 2. 6.	Grant CREATE SYNONYM, CREATE VIEW, CREATE DATABASE LINK, CREATE PUBLIC SYNONYM, DROP PUBLIC SYNONYM
	36. 2. 7.	Grant connect and resource permission to a user
	36. 2. 8.	Grant connect permission to a user
	36. 2. 9.	Grant with admin option
	36. 2. 10.	Grant connect to permission to all name in a table
	36. 2. 11.	grant select on tableName to userName
	36. 2. 12.	grant administer database trigger to userName
	36. 2. 13.	grant execute on dbms_rls to userName
	36. 2. 14.	grant create any context to userName
	36. 2. 15.	Revoke Permissions
	36. 2. 16.	Revoke Permissions with Cascade
	36. 2. 17.	Get user name from all_users

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