GRANT COMMAND :–
Grant command is used to be permission on a table to users.
Grant <privilages> on <tabname> To <users> [with grant option]
The privileges are: Select, insert, update, delete.
Grant select,insert on emp to NIT. (This command is dbo is give permission to NIT table for select & insert)
go to NIT table
Select * from emp
- user user
- dbo nit
- granted granted
Grant select on emp to NIT,X,Y -> This command is grant to more tables.
WITH GRANT OPTION :-
If permissions are granted with grant option then grantee can also grant permission to other users.
Example :- grant select, insert on emp to nit with grant option.
User user user
dbo nit X
↓ ↑ ↑ → with grant option
REVOKE COMMAND :-
Revoke command is used to take back the permission from user.
Revoke <privilage> on <tabname>from <users>
In dbo user :
Example :- revoke select,insert on emp from nit cascade
When you give the with grant option,you must specify the cascade.
When you give the grant option only,you mentioned only revoke.
Revoke can be used to particular privileges take back the permission from user.
Revoke insert on emp from nit
If you want to see the date in NIT table
Select * from dbo_emp