Grant <permission name> on <object name> to <username\principle>
For example:
To authorize the user named TestUser on the object TestTable on the database named TestDB, run the following query.
USE TestDB
GO
Grant select on TestTable to TestUser
Step 1 : Connect to the database, expand the directory as shown in the image below.
Open the Security> Users folder and find the username you want to decentralize
Step 2 : Right-click TestUser and select Properties. The screen below will appear.
TestUser user management screen
Step 3 : Use Search to search and then select the object you want to decentralize, here is the Table TestTable.
Step 4 : Click on the TestTable table , then select the Grant checkbox for the operations in the list below as shown in the image below. In this example, the right to select a table (Select) is given.
Tick select the authority box
Step 5 : Click OK to complete the authorization.