How server and database security works in MSSQl server in Hindi

Database Roles and Server Roles ,Security ,object level security ,database level permission, instance level access step by step understanding in HINDI with live examples .
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permission server level roles , DB level role and custom server roles and custom DB role .

To know about patching of SQL server using installer ,Configuration manager settings and know about CU,SP and KB in details .
How to avoid restart using Reg Edit .
Part 1 :- https://youtu.be/E4j8H6eIGQw
Part 2 :- https://youtu.be/wK5CO58cQ14
Db configuration :- https://youtu.be/0E7iaD_fUqE
Database security Video :- https://youtu.be/9DvR-Hn0W1g
database backup and restore :-https://youtu.be/LPzW1rf3OkI
database blocking:-https://www.youtube.com/watch?v=C9UuS4Fd5uc&t=1250s