What is lock function module in SAP BC-ABA - ABAP Runtime Environment?

SAP Term: lock function module

• Component: BC-ABA

• Component Name: ABAP Runtime Environment

• Description: A special function module used to impose or release SAP locks. When a lock object is created, a function module with the prefix ENQUEUE_ is created for locking and a function module with the prefix DEQUEUE_ is created to remove the lock.

Smart SAP Assistant

• Key Concepts: 
  The lock function module is a component of the BC-ABA ABAP Runtime Environment. It is used to ensure that only one user can access a particular data record at a time. This prevents data corruption and ensures that all users have the most up-to-date version of the data. 
  
  How to use it: 
  The lock function module is used to lock a particular data record when a user wants to access it. This prevents other users from accessing the same record until the lock is released. The lock is released when the user has finished working with the data or when the user's session has ended. 
  
  Tips & Tricks: 
  When using the lock function module, it is important to remember to release the lock once you are done working with the data. This will ensure that other users can access the data and prevent any potential data corruption. 
  
  Related Information: 
  The lock function module is part of the BC-ABA ABAP Runtime Environment, which provides a range of tools for developing and running ABAP applications. Other components of this environment include the ABAP Dictionary, which stores metadata about database tables, and the ABAP Workbench, which provides tools for developing and debugging ABAP programs.