What is 'exclusive but not cumulative lock' in SAP BC-DWB-DIC - ABAP Dictionary?

exclusive but not cumulative lock - Overview

• Component: BC-DWB-DIC

• Component Name: ABAP Dictionary

• Description: A possible value for the lock mode of a lock object. Whereas exclusive locks can be requested several times by the same transaction and released one by one, an exclusive but not cumulative lock can only be requested once by the same transaction. Each further lock request is rejected. In lock management, exclusive but not cumulative locks are marked with an X eXclusive.

exclusive but not cumulative lock - Details

• 
  Key Concepts: 
  Exclusive but not cumulative lock is a type of lock in the ABAP Dictionary of SAP. It is used to prevent other users from changing the same object at the same time. It is exclusive in that only one user can have the lock at a time, but it is not cumulative in that it does not prevent other users from locking other objects. 
  
  How to use it: 
  To use an exclusive but not cumulative lock, a user must first select the object they want to lock. Then, they must select the “Lock” option from the menu. This will create an exclusive but not cumulative lock on the object, preventing other users from making changes to it. 
  
  Tips & Tricks: 
  When using an exclusive but not cumulative lock, it is important to remember to unlock the object when you are done making changes. This will allow other users to access and make changes to the object. 
  
  Related Information: 
  For more information on exclusive but not cumulative locks, please refer to SAP’s official documentation on ABAP Dictionary locks.