How to perform a row lock?

Question

I want to lock one record and then no one may make changes to that record. When I release the lock, then people may change the record.

In the meantime that a record

Answer 1

Sql Server has locking hints, but these are limited to the scope of a query.

If the decision to lock the record is taken in an application, you can use the same mechanisms as optimistic locking and deny any changes to the record from the application.

Use a timestamp or guid as a lock on the record and deny access or changes to the record if the wrong locking key is given. Be careful to unlock records again or you will get orphans