SQL Server: How to create Read Only Table?

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In this post, I am sharing an option to create a Read Only table in SQL Server.
I also shared an article on how to create a read only database in SQL Server?

SQL Server: Script to make Database Read Only and Read Write

If you thinking to give a SELECT permission on the table, you have to give SELECT permission to particular group/user.
But, here I am talking about complete Read Only Table, which has by default only SELECT permission for all the users/groups.

How to create a Read Only Table?

Add one file group to database:

Create a new data file:

Create a table under newly created data group:

Load/Insert your data:

Now, set READONLY to newly created file group:

Try to insert same records:
Now, you can’t insert/update/delete the data because a table is Read Only now.