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You can grant users various privileges to tables. These privileges can be any combination of select, insert, update, delete, references, alter, and index. Below is an explanation of what each privilege means.
Privilege then Description
Select Ability to query the table with a select statement.
Insert Ability to add new rows to the table with the insert statement.
Update Ability to update rows in the table with the update statement.
Delete Ability to delete rows from the table with the delete statement.
References Ability to create a constraint that refers to the table.
Alter Ability to change the table definition with the alter table statement.
Index Ability to create an index on the table with the create index statement.
The syntax for granting privileges on a table is:
grant privileges on object to user;
For example, if you wanted to grant select, insert, update, and delete privileges on a table called suppliers to a user name smithj, you would execute the following statement:
grant select, insert, update, delete on suppliers to smithj;
You can also use the all keyword to indicate that you wish all permissions to be granted. For example:
grant all on suppliers to smithj;
If you wanted to grant select access on your table to all users, you could grant the privileges to the public keyword. For example:
grant select on suppliers to public;
If you have any questions ask.
Edited by: Kirill.Babeyev on Aug 1, 2012 6:39 AM
Yes, you can assgin Priviliges roles. Please read the thread below:
<a href ="http://www.techonthenet.com/oracle/roles.php"> Priviliges</a>
And, Priviliges assgined by role to user are not considered as direct grant in PL\SQL.
When using PLSQL direct grants must be given to access the object inside PL\SQL.