What is the use of lock objects?

1.	What is the use of lock objects?
Answer» Lock Object is a feature offered by ABAP Dictionary that is used to synchronize access to the same data by more than one program. Data records are accessed with the help of specific programs. Lock objects are used in SAP to avoid the inconsistency when data is inserted into or changed in the database. Tables whose data records are to be locked must be defined in a Lock Object, along with their key fields.

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