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Introduction
Grant and Revoke are two different types of Data Control language commands that decide on the permissions and control the user's access to the database. Use the GRANT command to permit users and the REVOKE command to remove authorization.
This blog will discuss the Grant and Revoke commands along with their syntax and examples. Further, we will list the difference between Grant and Revoke, thus understanding how each command affects system security and maintains data integrity.
The Grant command allows certain permissions and privileges to the database users. Access rights to different users can be defined using the GRANT command. Only authorized users can perform SELECT, INSERT, UPDATE, and DELETE operations on the specified data tables.
Syntax
The syntax of the Grant Command is:
GRANT privilige_name on object_name to {user_name | public | role_name} ;
Example
The example of Grant command is:
GRANT INSERT, SELECT ON Employees TO Ninja;
What is Revoke?
The revoke command is a type of DCL command that cancels the database permissions allowed to the users. In SQL language, it can be said that the revoke command REVOKES the access rights from the user, thereby limiting the operations that can be performed by the user on the database.
What is the difference between deny and REVOKE when it comes to permissions?
Deny permanently blocks access to a resource, while REVOKE removes previously granted access, restoring default permissions temporarily or permanently.
What do you understand about DCL?
Data Control Language or DCL is part of SQL that deals with the authorizations, access, permissions, and security features of managing the data in a relational database. The DCL commands control the access rights and maintain the data security and integrity of the database.
What is the use of the Grant command?
The Grant command allows specific permissions and privileges to the database users. Access rights to different users can be defined with the help of the GRANT command. It allows only validated users to perform SELECT, INSERT, UPDATE, and DELETE operations on the specified database objects.
What is the use of the Revoke command?
The revoke command is a type of DCL command that cancels or revokes the database permissions allowed to the users, thereby limiting the operations that can be performed by the user on the database.
Conclusion
Kudos, Ninja, on making it to the finish line of this article! Grant and revoke are DCL commands that are useful in controlling the access and permissions of the user over the database. Through this blog we have covered all the difference between grant and revoke.
We hope this blog was helpful to you in understanding the key difference between Grant and Revoke. Keep learning! We recommend you read some of our other SQL articles:
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